Ionic and Covalent Compounds

What is ionic bonding?

• Sharing of electrons between nonmetals

• Complete transfer of valence electrons between a metal and a non-metal

• Sharing of electrons between metals

• Transfer of electrons between nonmetals

What is covalent bonding?

• A) Sharing of electrons between nonmetals

• B) Complete transfer of valence electrons between a metal and a non-metal

• C) Sharing of electrons between metals

• D) Transfer of electrons between nonmetals.

In ionic bonding, what happens to the metal?

• It gains electrons

• It loses electrons to become a positively charged cation

• It shares electrons

• It remains neutral

In covalent bonding, what happens to the electrons?

• They are shared between nonmetals

• They are transferred from metal to non-metal

• They are lost by the metal

• They are gained by the non-metal

Label the compound PBr3 as either ionic or covalent.

• Ionic

• Covalent

Label the compound CF4 as either ionic or covalent.

• Ionic

• Covalent

Why is sodium (Na) so reactive?

• Because it's a metal

• Because it has 11 protons

• Because it has 11 electrons

• Because it has 1 valence electron

When atoms gain or lose electrons, they are called

• Isotopes

• Atoms

• Ions

• Electrons

Cations have a _____________ charge.

• positive

• negative

• neutral

Anions have a ____ charge.

• positive

• negative

• neutral