Bonding Review

Which property is used to determine the degree of polarity between two bonded atoms?

• density

• pressure

• electronegativity

• temperature

. What is the most likely electronegativity value for a metallic element?

• 1.3

• 2.7

• 3.4

• 4.0

Which element has an atom with the greatest tendency to attract electrons in a chemical bond?

• carbon

• silicon

• sulfur

• chlorine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What occurs when potassium reacts with chlorine to form potassium chloride?

• Electrons are shared and the bonding is ionic.

• Electrons are shared and the bonding is covalent

• Electrons are transferred and the bonding is ionic

• Electrons are transferred and the bonding is covalent.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

. Which element reacts with oxygen to form ionic bonds?

• calcium

• sulfur

• carbon

• oxygen

The bonds in H2O are best described as

• covalent, because valence electrons are shared

• covalent, because valence electrons are transferred

• ionic, because valence electrons are shared

• ionic, because valence electrons are transferred

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A solid sample of a compound and a liquid sample of the same compound are each tested for electrical conductivity. Which test conclusion indicates that the compound is ionic?

• Both the solid and the liquid are good conductors.

• Both the solid and the liquid are poor conductors.

• The solid is a good conductor, and the liquid is a poor conductor.

• The solid is a poor conductor, and the liquid is a good conductor.

Which sample of matter has a crystal structure?

• Hg(l)

• NaCl(s)

• CO2(g)

• CH4(g)

Which substance has nonpolar covalent bonds?

• Cl2

• SiO2

• SO3

• CCl4

A molecular compound is formed when a chemical reaction occurs between atoms of

• chlorine and sodium

• chlorine and yttrium

• oxygen and hydrogen

• oxygen and magnesium

Tags

NGSS.MS-PS1-1