Unit 3 quiz

Chlorine gas (Cl2) forms when two chlorine atoms share an electron. What type of bonding is present in chlorine gas?

• Covalent

• Ionic

• Metallic

• Hydrogen

How can individual compounds be differentiated?

• by their oxidation numbers

• by the properties of the elements in the compound

• by their physical and chemical properties

• by their atomic number

Tags

NGSS.MS-PS1-2

What is the name of the following compound?

KCl

• potassium chlorate

• potassium chloride

• monopotassium monochloride

• potassium chlorine

Tags

NGSS.MS-PS1-1

A substance that breaks into positive and negative ions when dissolved in water is most likely to be

• a molecular compound

• a nonmetallic element

• an ionic compound

• a metallic element

Tags

NGSS.HS-PS1-1

Identify the formula for the binary covalent compound sulfur hexafluoride

• SF6

• 6SF6

• S6F

• 6SF

Tags

NGSS.MS-PS1-1

Which of the following pairs of elements is most likely to form a covalent bond?

• barium and chlorine

• zinc and bromine

• lithium and iodine

• sulfur and oxygen

Tags

NGSS.HS-PS1-2

Ionic crystals can form when metallic atoms bond with nonmetallic atoms. Which of the following is an example of an ionic crystal?

• NaCl

• SeCl4

• Rn

• NO

Tags

NGSS.HS-PS1-3

Which of the following pairs of elements is most likely to form an ionic bond?

• silicon and oxygen

• phosphorous and bromine

• magnesium and iodine

• carbon and chlorine

Which of the following pairs of elements is most likely to form an ionic bond?

• carbon and chlorine

• sulfur and oxygen

• beryllium and lithium

• lithium and oxygen

Ionic bonds tend to form between __________ and __________.

• nonmetals; nonmetals

• metals; nonmetals

• metals; metals

• all of these