Atomic Structure (Unit 2) Review (GC)

When determining the mass number of an atom, what subatomic particles are counted?

• protons, neutrons, and electrons
• protons and neutrons
• protons and electrons
• neutrons and electrons

When determining the atomic number of an atom, what subatomic particle(s) are counted?

• protons, neutrons, and electrons
• protons and neutrons
• protons and electrons
• protons only

When determining the charge of an atom, what subatomic particle(s) are counted?

• protons, neutrons, and electrons
• protons and neutrons
• protons and electrons
• protons only

Tags

NGSS.HS-PS1-7

What is the charge of an ion with a 30 electrons, 28 protons, and 27 neutrons? 

• +28
• -30
• -2
• +2

Tags

NGSS.HS-PS1-7

What is mass number of an ion with 88 electrons, 85 protons, and 96 neutrons? 

• 181
• 184
• 173
• 96

Based on the isotope notation shown, how many protons does this isotope contain?

• 139
• 56
• 83
• 54

Tags

NGSS.HS-PS1-7

Based on the isotope notation shown, how many neutrons does this isotope contain?

• 139
• 56
• 83
• 54

Tags

NGSS.HS-PS1-8

Based on the isotope notation shown, how many electrons does this isotope contain?

• 54
• 56
• 58
• 2

Tags

NGSS.HS-PS1-1

Which subatomic particle is most responsible for determining the reactivity of an element?

• proton
• neutron
• electron
• nucleus

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the maximum number of electrons that can be contained in the 2p sublevel?

• 2
• 6
• 10
• 14