Covalent Bonds Review

Which two elements will form a covalent bond?

• Magnesium and Chlorine

• Sodium and Bromine

• Iron and Sulfur

• Carbon and Oxygen

What is true about covalent compounds? (Check all that apply.)

• bonds are generally weak

• formed between metals and nonmetals

• low melting and boiling points

• solids are usually soft

How are covalent compounds formed?

• when electrons are gained or lost

• when electrons are transferred

• when electrons are shared

• none of the above

What is the name of CH₃?

• Carbon (III) hydride

• Carbon hydroxide

• Carbon trihydride

• Carbon hydride

Tags

NGSS.MS-PS1-1

What is the name of H₂O₂?

• Hydrogen oxide

• Hydrogen (II) oxide

• Dihydrogen dioxide

• Hydroxide

Tags

NGSS.MS-PS1-1

What is the name of PS₃?

• Potassium trisulfide

• Potassium (III) sulfate

• Phosphorus trisulfide

• Phosphorus sulfide

What is the chemical formula for Carbon tetrachloride?

• C(ClO₃)₄

• C₄Cl

• CCl₄

• CClO₃

Tags

NGSS.MS-PS1-1

What is the chemical formula for Disulfur trioxide?

• SO

• S₃O₂

• S₂(OH)₃

• S₂O₃

Tags

NGSS.MS-PS1-1

What is the chemical formula for Dihydrogen monoxide?

• HO₂

• H₂O

• HO

• H₂O₂

Tags

NGSS.MS-PS1-1

Which statement is true?

• Ionic and covalent compounds are called formula units.

• Ionic compounds are formulas units and covalent compounds are molecules.

• Ionic compounds are molecules and covalent compounds are formula units.

• Ionic and covalent compounds are called molecules.