atomic structure

Sodium has an atomic number of 11, how many protons does this atom have?

• 22
• 11
• 12
• 2

The following element key shows how many protons?

• 16
• 15.999
• Oxygen
• 8

Protons are equal to:

• Atomic Mass
• Number of neutrons
• Atomic Number
• All of the subatomic particles

A proton is a _____ charged particle.

• Negatively
• Positively

Where are protons located in the atom?

• orbitals
• nucleus
• rings
• positive

Carbon has how many protons?

• 12

• 6

• 7

• 4

In a stable atom, the atomic number is equal to...

• neutrons
• electrons
• atomic mass
• what is a stable atom?

What is the formula to solve for the neutron?

• Mass + Atomic Number= Neutrons
• Mass x Atomic Number = Neutrons
• Mass - Atomic Number = Neutrons
• Mass + Number of Protons = Neutron

What is the charge of the neutron?

• Negative
• Positive
• electrical charge
• Neutral (no charge)

How many neutrons does oxygen have?

• 16
• 15.99
• 8
• Doesn't contain any neutrons