Atomic Structure

Question 1

Which three types of particles make up an atom?

Answer 1

Protons, electrons, and neutrons.

Question 2

Which types of particles are found in the atomic nucleus?

Answer 2

Protons and neutrons.

Question 3

Which particle, found in an atom, has a positive charge?

Answer 3

Proton

Question 4

Which particle, found in an atom, has a negative charge?

Answer 4

Electron

Question 5

Which particle, found in an atom, has no charge?

Answer 5

Neutron

Question 6

What do we call a chart of all the elements in the known universe, sorted by atomic number?

Answer 6

The Periodic Table

Question 7

How do you find the atomic number of an element?

Answer 7

Count how many protons are in the nucleus.

Question 8

How do you determine the atomic weight of an element?

Answer 8

Count the total number of protons and neutrons in the nucleus.

Question 9

If you change the number of protons in the nucleus of an atom, what have you changed about the atom?

Answer 9

Changing the number of protons changes which element you have.

Question 10

You have an atom of carbon. If you want a different isotope of carbon, what should you change?

Answer 10

You would change the number of neutrons in the nucleus.