Ionic vs. Molecular (Covalent) Compounds

Compounds composed of a ______________ and _____________ like the compound CaCl₂ , are ionic compounds.

• metal ... metal

• nonmetal ... nonmetal

• metal ... nonmetal

Tags

NGSS.HS-PS1-2

In general, this type of bond will form a compound with a high melting point.

• Ionic
• Covalent

Tags

NGSS.HS-PS1-4

Which of the following describes covalent bonds?

• Bonds form because of opposite charges

• Electrons are shared to fill an atoms highest principal electron energy level

• Electrons are transferred between atoms so that both atoms attain a noble gas electron configuration.

• Covalent bonds involve cations floating in a sea of electrons.

Tags

NGSS.HS-PS1-1

Ionic Bonding involves _____.

• The transfer of protons

• The transfer of neutrons

• The transfer of electrons

• None of the above

Tags

NGSS.HS-PS1-1

What types of elements generally make an ionic bond?

• a metal and a nonmetal

• two or more nonmetals

• two or more metals

• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What property describes an ionic compound?

• shares electrons

• high melting point

• weak bonds

• made up of nonmetals.

Tags

NGSS.HS-PS1-1

Why do atoms form bonds?

• to attain a noble gas configuration

• to increase their mass

• to increase their atomic number

• to attain an alkali metal configuration

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Of which choice is this statement true? "Some are solids, some are liquids, and some are gases at room temperature."

• ionic compounds

• covalent compounds

Tags

NGSS.MS-PS1-4

Which, when molten, conducts electricity?

• ionic compound

• covalent compound

Which, when dissolved in water, does NOT conduct electricity?

• ionic compounds

• covalent compounds