Class Recovery

Generally, atoms form bonds so that _______________.

• Each atom loses its electrons

• Each atom has a stable electron configuration

• Each atom has an unstable electron configuration

• Each atom gains electrons

Why do all bonds form?

• to fill the outermost energy level

• so an atom can be unstable

• so the number of protons and electrons can equal.

• so they can gain neutrons.

Valence electrons are found

• outermost energy level

• innermost energy level

• some where in the electron cloud

How do covalent bonds form?

• by sharing electrons between atoms

• by donating or receiving electrons

How many valence electrons does Boron have?

• 1

• 2

• 3

• 4

When an atom loses an electron, it becomes a

• positive ion

• negative ion

Ionic bonds are between

• metals and nonmetals

• 2 metals

• 2 nonmetals

Atoms are most stable when their outer shell is full or complete.

• true

• false

How are ionic bonds formed?

• transfer of electrons

• sharing of electrons

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0