Unit 2 Exam Review

Aluminum has which charge?

• 3-

• 3+

• 1+

• 1-

Which of the following is the shortest bond?

• single

• double

• triple

• quadruple

Which of the following has the largest atomic radius?

• lithium

• oxygen

• carbon

• beryllium

Which of the following is a covalent compound?

• H₂ (g)

• Ti (s)

• Fe₂O₃ (s)

• Zr (s)

Steel is an example of a(n)

• isotope

• alloy

• transition metal

• nonmetal

Which of the following is a transition metal?

• nickel

• potassium

• iodine

• nitrogen

Which of the following typically forms the strongest bond?

• polar covalent

• nonpolar covalent

• ionic

• hydrogen bond

Tags

NGSS.HS-PS1-3

Chlorine is an example of a(n)…

• alkali metal

• alkaline earth metal

• halogen

• noble gas

Tags

NGSS.HS-PS1-1

Which of the following has the largest ionic radius?

• Br⁻

• Cl⁻

• I⁻

• F⁻

Tags

NGSS.HS-PS1-1

Alkali metals are known for their…

• inert behavior.

• violent reactions with water.

• violent reactions with air.

• violent reactions with transition metals.

Tags

NGSS.HS-PS1-2