PS Ch 6 Review Formative

The charge on a chloride ion in AlCl₃ is

• 1+

• 1-

• 3+

• 3-

Which pair of elements have the same electron configuration?

• K and P

• Mg and S

• F and Cl

• Na and Al

A chemical bond that forms when atoms share electrons is a _____ bond.

When two fluorine atoms share a pair of electrons, the bond that forms is

• a polar covalent bond

• an ionic bond

• a nonpolar covalent bond

• a double bond

The chemical formula for magnesium bromide is

• Mg

• Mg(II)Br₂

• MgBr₂

• Mg₂Br

Tags

NGSS.MS-PS1-1

The compound with the formula SiCl₄ is called

• silicon chloroxide

• silicon chlorine

• silicide chlorine

• silicon tetrachloride

Tags

NGSS.MS-PS1-1

The attraction among water molecules is stronger than the attraction among carbon dioxide molecules.

• true

• false

Which type of solid is likely to be the best conductor of electric current?

• an ionic compound

• a metallic element

• a nonmetallic element

• a covalent compound

An alloy contains

• at least one metallic element

• at least one nonmetallic element

• only metallic elements

• only nonmetallic elements

When an atom loses an electron, it forms a(n)

• anion

• polyatomic ion

• cation

• neutral ion