Chemical Bonds

Front

What is the octet rule?

Back

It states that atoms need 8 valence electrons to be stable.

Front

What happens to electrons in an ionic bond?

Back

One atom gains electrons and the other atom loses electrons.

Front

What type of ion will Calcium become when it goes through an ionic bond? Calcium is in group 2.

Back

+2

Front

Dot diagrams represent ____.

Back

Outer shell electrons.

Front

Groups 1, 2 and 13 on the periodic table contain elements with atoms that lose valence electrons and become _____ charged.

Back

Positively charged.

Front

What is a covalent bond?

Back

A covalent bond is formed when two atoms share one or more pairs of electrons.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a polar covalent bond?

Back

A polar covalent bond is a type of bond where electrons are shared unequally between two atoms.

Front

What is electronegativity?

Back

Electronegativity is the tendency of an atom to attract electrons in a chemical bond.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.