Chemical Reactions and Properties

How many valence electrons does a hydrogen atom have?

• 1

• 2

• 4

• 6

According to the HONC rule, how many bonds can oxygen form?

• 1

• 2

• 3

• 4

Metals tend to lose electrons and form which type of ion?

• Anions

• Cations

• Neutrons

• Isotopes

If an atom gains electrons, what type of charge will it acquire?

• Positive

• Negative

• Neutral

• Double

What types of elements typically form covalent bonds?

• Metals and metals

• Nonmetals and nonmetals

• Metals and nonmetals

• Noble gases

What is an ionic bond?

• A bond formed by sharing electrons

• A bond formed by transferring electrons

• A bond formed by sharing protons

• A bond formed by sharing neutrons

What is an ionic compound?

• A compound formed by sharing electrons between nonmetals

• A compound formed by transferring electrons between metals and nonmetals

• A compound formed by sharing protons

• A compound formed by sharing neutrons

What is the chemical formula for calcium chloride?

• CaCl

• CaCl₂

• Ca₂Cl

• Ca₂Cl₂

What is the chemical formula for carbon tetrachloride?

• CCl

• CCl₂

• CCl₄

• C₂Cl₄

What is the chemical formula for sodium fluoride?

• NaF

• NaF₂

• Na₂F

• Na₂F₂