The Modern Atomic Theory Answers

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

have a 0 charge.

C

In an electrically neutral atom, the number of

F

Electrons have a charge.

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

The proton is found at .

Which region is indicated by label A?

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

A =

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?

Using the periodic table, complete the table to describe each atom. Type in your answers.A

The electron is found at .

B

B =

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