REVIEW FOR QUARTER 1

What are the 2 subatomic particles found inside the nucleus of an atom?

• Proton and neutron

• Proton and electron

• Neutron and electron

• Alpha and beta

Beryllium has 4 protons and 5 neutrons. What is the mass of Beryllium?

• 4

• 9

• 1

• 20

Write the electron configuration for Sulfur (S)

• 1s² 2s² 2p⁶ 3s² 3p⁴

• 1s² 2s² 2p⁶ 3p⁴

• 1s² 2s² 3s² 3p⁴

• 1s² 2s² 3s² 3p⁶

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An unknown has 20 protons, what is the name of the unknown?

• Ne

• Ca

• Na

• Cl

Tags

NGSS.HS-PS1-1

How many valance electrons does group 16 have?

• 16

• 6

• 8

• 7

Tags

NGSS.HS-PS1-1

Which group on the periodic table has a full valance shell (8 electrons on the outermost shell)?

• Transition metals

• Halogens

• Noble Gases

• Alkaline metals

Tags

NGSS.HS-PS1-1

Rank the following elements in the order of increasing atomic radius (smallest to largest): Cl, Na, Al, P

• Na < Cl < Al < P

• Cl < P < Al < Na

• Al < P < Cl < Na

• P < Na < Al < Cl

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When you move across the periodic table from left to right, the electronegativity ______?

• Decreases

• Increases

• Stays the same

• Gets smaller

Which of the compounds below is an ionic compound?

• AuAg

• CF₄

• MgCl₂

• O₂

Tags

NGSS.HS-PS1-3

Which of the following covalent compound names is correctly matched with its formula?

• Monocarbon dioxide, CO₂

• Carbon oxide, CO

• Carbon monoxide, CO₂

• Carbon dioxide, CO₂