The Modern Atomic Theory Answers

have a 0 charge.

Use the drop-down menus to describe the charges of the subatomic particles.Protons have a charge.

Electrons have a charge.

In an electrically neutral atom, the number of

Type the letter that represents the correct location for each particle type below.The neutron is found at .

The electron is found at .

The proton is found at .

Which region is indicated by label A?

Which region is indicated by label B?

Using the drop-down menus, complete the table to summarize the properties of the different subatomic particles. A

B

C

A =

B =

C =

Atoms of which element contain 25 protons?

Which element has an atomic number of 16?

How many electrons are in an atom of elemental sodium?

Make a He atom with a mass of 4. How many protons did you put in the nucleus?

Make a Li atom with a mass number of 7. How many electrons did you place in the outermost orbital (ring)?