Atoms

The positive particle in an atom.

• proton

• neutron

• electron

• electron cloud

How many protons does Nitrogen have?

• 7

• 8

• 14

• 14.01

The negative particle in an atom.

• proton

• neutron

• electron

Which of the labeled structures is an electron?

• a

• b

• c

The neutral particle in an atom.

• proton

• neutron

• electron

Which of the following particles is NOT found in an atom's nucleus?

• proton

• neutron

• electron

What is the chemical symbol of this element?

• 79

• Au

• AU

• gold

Protons and neutrons are found in the center of the atom called the:

• nucleus

• neutron

• shell

• cell

The subatomic particles are called:

• protons, nucleus and electrons

• protons, electrons and neutrons

• protons, positives and negatives

• cloud, shell and quarks

Substances that have only one kind of atom are called:

• elements

• nitrogen

• electrons

• nucleus