The Structure of the Atom Answers

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)?

Make a N atom with a mass number of 14. How many neutrons are in the nucleus?

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E

F

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

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

A =

Atoms of which element contain 25 protons?

How many electrons are in an atom of elemental sodium?

Use the periodic table to determine which of the following could be an isotope of bromine (Br). Check all that apply.

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

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

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

have a 0 charge.

Which region is indicated by label A?