Name the sub atomic particles in part Z of a boron atom give the relative charges of these sub atomic particles

Answers

Answer 1

Answer:

Neutrons and protons

Explanation:

There are three fundamental subatomic particles, these are;neutrons protons and electrons.

Ernest Rutherford successfully showed that every atom does possess a central core that contain positively charged particles (protons) called the nucleus. Chadwick later discovered the existence of neutrons.

Both protons and neutrons are found in the nucleus. Z represents the nucleus of the boron atom and houses the neutrons and protons of the boron atom.


Related Questions

what are the 5 similarities between acid and alkalis ​

Answers

Explanation:

Acids and alkalis both contain ions. Acids contain lots of hydrogen ions, which have the symbol H+. Alkalis contain lots of hydroxide ions, symbol OH-. Water is neutral because the number of hydrogen ions is equal to the number of hydroxide ions

Answer:

cids and bases both react with water and a lot of acids and bases are soluble in nature. Both acids and bases are electrolytes which means that they're good conductors of electricity. Acids and bases both produce ions in water solution. Acids release hydrogen ions (H+) whereas Bases release hydroxide ions (OH–).

Explanation:

How many molecules are in 10 grams of sugar?

Answers

Answer:

A sugar cube is supposed to be equivalent to a teaspoon of sugar. A teaspoon of sugar is about 4.2 g. Table sugar is composed of sucrose, which is a disaccharide of glucose and fructose, with a molar mass of 342.3 g/mol. This means a sugar cube contains (4.2 / 342.3 =) 0.0123 mol of sucrose, or (0.0123 x 6.022 x 10^23 =) 7.39 x 10^21 molecules of sucrose. As one molecule of sucrose contains one molecule of glucose and one molecule of fructose, then there about 7,400 million, million, million molecules of glucose in a sugar cube.

explanation:

HAHA d ko alam kung tama yan

identify the type of the bond​

Answers

Answer:

it's sodium chloride I believe

Explanation:


Should American drugmakers have to limit acetaminophen pills sold over-the-counter?

Answers

Answer: The agency requires all prescription drugs containing acetaminophen to carry a black box warning that an overdose can result in liver transplant or death. For over-the-counter Tylenol and its generic equivalents, the FDA requires no warning that overdose can be fatal.

Explanation:

^^^^

Which forward reaction shows an increase in entropy (disorder)?explain

A.H2(g) + CuO (s) --> H2O(l) + Cu(s)
B.HCl(g) + NH3(g) --> NH4Cl(s)
C.CaCO3(s) -> CaO(s) + CO2g)
D.H2O(g) + O2(g) --> 2H2O)

Answers

Explanation:

Entropy also increases when solid reactants form liquid products. Entropy increases when a substance is broken up into multiple parts. The process of dissolving increases entropy because the solute particles become separated from one another when a solution is formed. Entropy increases as temperature increases. S = entropy

k_{b} = Boltzmann constant

\ln = natural logarithm

\Omega = number of microscopic configurations

The Lewis diagram for AlF3 is:
:F:
The electron-pair geometry around the Al atom in AlF3 is
There is/are
lone pair(s) around the central atom, so the geometry of AlF3 is
Submit Answer
Retry Entire Group
9 more group attempts remaining

Answers

Answer:

25,000 pairs

Explanation:

What type of erosion and deposition is not a major force in Texas

Answers

Best answers I could come up with
Gravity
Glaciers
Wind
Water

2 H2(g) + O2 (g) --> 2 H20 (1)
How many moles of hydrogen gas do you need to make 2 moles of liquid water?

Answers

Answer:

4moles of hydrogen atoms

Explanation:

The second conversion factor reflects the number of atoms contained within each molecule. Two water molecules contain 4 hydrogen atoms and 2 oxygen atoms. A mole of water molecules contains 2 moles of hydrogen atoms and 1 mole of oxygen atoms.

The enthalpy (AH) is +624.7 kJ for the following reaction. How would you classify this reaction? (Explain)

SiO2(g) + 3C(s) --> SIC(s) +2CO(g)

A.exothermic: heat is lost by the system
B.endothermic: heat is gained by the system
C.endothermic: heat is lost by the system
D.exothermic: heat is gained by the system

Answers

Answer: The reaction [tex]SiO_{2}(g) + 3C(s) \rightarrow SiC(s) + 2CO(g); \Delta H = +624.7 kJ[/tex] is classified as endothermic: heat is gained by the system.

Explanation:

A process or reaction in which heat is absorbed is called endothermic reaction.

For example, melting of ice is an endothermic process.

For an endothermic reaction the sign of [tex]\Delta H[/tex] is positive which means heat is gained by the system.

Here, the given reaction is as follows.

[tex]SiO_{2}(g) + 3C(s) \rightarrow SiC(s) + 2CO(g); \Delta H = +624.7 kJ[/tex]

A process or reaction in which heat is released is called exothermic reaction.

For example, combustion reaction, freezing of water etc are exothermic process.

For an exothermic reaction the sign [tex]\Delta H[/tex] is negative which means heat is lost by the system.

Thus, we can conclude that the reaction [tex]SiO_{2}(g) + 3C(s) \rightarrow SiC(s) + 2CO(g); \Delta H = +624.7 kJ[/tex] is classified as endothermic: heat is gained by the system.

write in the chart which molecule is the acid,base, conjugate base,conjugate acid from the equation and watching the H+ movement
1 H2CO3 + H2O--- H3O+ +HCO3-
2 H3PO4 + H2O--- H2PO- +H3O+
3. HCO3- + H2O---H2CO3 +OH-
4 HNO3 +H2O---NO3- +H3O+​

Answers

Answer:

When H2O acts as a base, it gains one H, which forms its conjugate acid, H30. ... Write the formula for the conjugate base for each of the following acids: a. ... H3PO4(aq) + H2O(l) 7 H2PO4 (aq) + H3O+(aq) ... CO32-(aq) + H2O(1) 2 HCO3 (aq) + OH(aq) ... balanced equation for the reaction of the ammonium ion with water.

If you have 8 g of a radioactive element there will be Of the radioactive element left after one half life

Answers

Answer:

4g of the radioactive element present

Explanation:

Radioactive elements are atoms that are unstable in normal conditions and are converted in another different atoms.

1 half life express the time that is need to decay the half of the initial amount of the radioactive element.

If initially we have 8g of the radioactive element, after 1 life we will have 8g/2 =

4g of the radioactive element present

How much energy is required to raise the temperature of a 300.0

gram block of lead from 22.3°C to 59.9°C? The specific heat of lead is

0.129 J/gºC.

Answers

Answer:

Q = 1455.12 Joules.

Explanation:

Given the following data;

Mass = 300 grams

Initial temperature = 22.3

Final temperature = 59.9°C

Specific heat capacity = 0.129 J/gºC.

To find the quantity of energy;

[tex] Q = mcdt[/tex]

Where,

Q represents the heat capacity.

m represents the mass of an object.

c represents the specific heat capacity of water.

dt represents the change in temperature.

dt represents the change in temperature.

dt = T2 - T1

dt = 59.9 - 22.3

dt = 37.6°C

Substituting the values into the equation, we have;

[tex] Q = 300*0.129*37.6 [/tex]

Q = 1455.12 Joules.

what is Nylon 6-6 made of..?​

Answers

Answer:

nylon 66 is made of two monomers each containing 6 carbon atoms, hexamethylenediamine and adipic acid.

A radioisotope has a half-life of 5 minutes. What fraction of material would remain after
half an hour?

Answers

It should be 1/32 after half an hour.

What can we do to protect our oceans ?

Answers

pick up plastic, reduce waste, reduce pollutants
Around Home

1. Conserve Water

Use less water so excess runoff and wastewater will not flow into the ocean.
2. Reduce Pollutants

Choose nontoxic chemicals and dispose of herbicides, pesticides, and cleaning products properly.
3. Reduce Waste

Cut down on what you throw away.
Around Town

4. Shop Wisely

Choose sustainable seafood. Buy less plastic and bring a reusable bag.
5. Reduce Vehicle Pollution

Use fuel efficient vehicles, carpool or ride a bike.
6. Use Less Energy

Choose energy efficient light bulbs and don't overset your thermostat.
On the Water

7. Fish Responsibly

Follow "catch and release" practices and keep more fish alive.
8. Practice Safe Boating

Anchor in sandy areas far from coral and sea grasses. Adhere to "no wake" zones.
9. Respect Habitat

Healthy habitat and survival go hand in hand. Treat with care.
10. Anytime, Anywhere

Volunteer

Volunteer for cleanups at the beach and in your community. You can get involved in protecting your watershed too!

Hope this helps

Biodiversity can be altered by __________.
Select one:

All of these

a fire in the ecosystem

unexpected changes in the climate of an ecosystem

a flood in the ecosystem

Answers

Should be all of the above (A)

In a sample of oxygen gas at room temperature, the
average kinetic energy
of all the balls stays constant. Which postulate of kinetic molecular theory
best explains how this is possible?

Answers

Answer: The Kinetic Molecular Theory of  Matter

Explanation: The answer is: B. Collisions between gas particles are elastic; there is no net gain or loss of kinetic energy.

The Kinetic Molecular Theory of  Matter

When two atoms form a molecule, the molecule has lower energy than the two separate atoms. However, when only two atoms are present, they bounce off each other and do not form a molecule. Explain what happens to the energy of the atoms when there are only two atoms and they collide.
DONT GIVE ME A LINK!!

Answers

Answer:

they end up bouncing against each other instead of merging together

Explanation:

If you hear a weather report say that a low pressure system is coming in, what kind of weather can you expect?

A
wind

B
polluted air

C
precipitation

D
heat

Answers

The answer is A wind

What causes the "heat island" effect?
a. heat produced from a large number of people

b. the materials used in building cities retain heat

c. the large amount of reflected light from glass windows

d. all of the above
Please select the best answer from the choices provided
A
B
C
D​

Answers

D all of the above answers are correct

Which type of circuit has more than one path?

Answers

Answer:

parallel circuit

Explanation:

Hope this is right!!

1. An Element is determined by the number of ________ and it’s nuclear ( Also known as atomic number).
2. Each chemical element is made up of only one kind of...

Answers

1. Proton
2. One type of atom

2.91 moles of aluminum are how many grams(with work)

Answers

2.91 mol Al * ( 26.982 g Al / 1 mol Al) = 78.518 grams
It will be 78.51627558 bec one gram of Al equal 0.037062379468509

What is the best explanation for the fact that Styrofoam will not dissolve in water, but Styrofoam will dissolve in acetone?

1.styrofoam is polar and water is nonpolar

2.styrofoam is nonpolar and water is polar

3.Styrofoam is polar and water is polar

4.styrofoam is nonpolar and water is nonpolar

Answers

the answer would be the first

Answer the following questions using the chemical equation below:

6CO2 + 6H2O => C6H12O6 + 6O2

3. How many total atoms are on the product side?

4. How many molecules of water are on the reactant side?

Answers

3. 36 atoms total on the product side
4. Six molecules of water on the reactant side

If the attractive forces in a substance is much less than the
molecular motion, then the substance will be in_____ state.
A) Solid
B)Liquid
C)Gaseous
D)Both A&B

Answers

B) liquid is your answer

If the half-life of a decaying isotope is 10 years, which statement is true after
20 years?

Answers

Answer:

A. There are more daughter nuclei than parent nuclei in a sample.

Explanation:

There are more daughter nuclei than parent nuclei in a sample. Hence, option A is correct.

What is half-life?

The half-life of a radioactive element or isotope is the time taken for half of the substance to decay.

If the half-life of a decaying isotope is 10 years, after 8 years, less than the total mass of the original isotope will decay since 8 years is less than 10 years.

Therefore, we can conclude that, if the half-life of a decaying isotope is 10 years, after 8 years, there will be more parent nuclei than daughter nuclei in a sample.

Learn more about half-life here:

https://brainly.com/question/24710827

#SPJ2

What volume would be occupied by 16.0 g of CH4 at 00C and 760 mmHg?

Answers

Answer:

22.4 L

Explanation:

We'll begin by calculating the number of mole in 16.0 g of CH₄. This can be obtained as follow:

Molar mass of CH₄ = 12 + (4×1)

= 12 + 4

= 16 g/mol

Mass of CH₄ = 16 g

Mole of CH₄ =?

Mole = mass / molar mass

Mole of CH₄ = 16 / 16

Mole of CH₄ = 1 mole

Finally, we shall determine the volume of the gas. This can be obtained as follow:

Number of mole of CH₄ (n) = 1 mole

Pressure (P) = 760 mmHg = 1 atm

Temperature (T) = 0°C = 273 K

Gas constant (R) = 0.0821 atm.L/Kmol

Volume (V)?

PV = nRT

1 × V = 1 × 0.0821 × 273

V = 22.4 L

Therefore, the volume of the gas is 22.4 L

Lab: Thermal Energy Transfer
Directions

What is the purpose of the lab, the importance of the topic, and the question you are trying to answer?






Section III: Analysis and Discussion



What do the key results indicate?





























If you constructed graphs, what trends do they indicate in your data?

















Were there any problems with the experiment or the methods? Did you have any surprising results?









Section IV: Conclusions



What do the results tell you about your hypothesis(es)?









How do the data support your claim above?



















If you could repeat the experiment and make it better, what would you do differently and why?

Answers

Answer:

What do the key results indicate?

Key Results are the measures and milestones that indicate how you know you will accomplish our Objective.

If you constructed graphs, what trends do they indicate in your data?

A linear pattern is a continuous decrease or increase in numbers over time. On a graph, this data appears as a straight line angled diagonally up or down (the angle may be steep or shallow). So the trend either can be upward or downward.

Were there any problems with the experiment or the methods? Did you have any surprising results?

Yes, i was surprised and learn so much and it was no problem.

Section IV: Conclusions

What do the results tell you about your hypothesis(es)?

Results will tell you which hypothesis is true

How do the data support your claim above?

describe specific part of the procedure.

If you could repeat the experiment and make it better, what would you do differently and why?

If I were able to repeat the lab and do it differently I would try to do two different things to improve it. I would try to create the model in a simpler manner that allowed me to better see how the erosion factored in. I would also try to take more detailed notes on it if I were to repeat it.

Explanation:

Magnesium metal reacts with oxygen according to the equation: Mg(s) + O2(g) → 2MgO2(s)

Which of the following would increase the rate of the reaction?

grinding the magnesium metal into a fine powder

packing the magnesium tightly at the bottom of the container

forming the magnesium metal into the shape of a sphere

forming the magnesium metal into single, large cube

Answers

Answer:

Grinding the magnesium metal into a fine powder. I took the test and got it right.

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