HW: Atomic Structure

What subatomic particle in the atom has no charge?

• Neutron

• Proton

• Electron

• Nucleus

What subatomic particle in the atom has a positive charge?

• Proton

• Electron

• Neutron

• Nucleus

What subatomic particle in the atom has a negative charge?

• Electron

• Proton

• Neutron

• Nucleus

How many electrons can be held in the first energy level (n=1) closest to the nucleus?

• 2

• 6

• 8

• 18

How many electrons can be held in the second energy level (n=2)?

• 8

• 2

• 4

• 18

How many electrons can be held in the third energy level (n=3)?

• 18

• 8

• 32

• 2

There are the same number of these two particles in a neutral atom.

• Protons and electrons

• Protons and neutrons

• Electrons and neutrons

• Neutrons and positrons

The atomic number is the same as the number of these particles.

• Protons

• Neutrons

• Electrons

• Quarks

The mass number is determined by which particles?

• Protons and neutrons

• Protons and electrons

• Neutrons and electrons

• Electrons only

How many protons does the atom have?

• 6

• 8

• 12

• 4

Tags

NGSS.MS-PS1-1