Video #1: How atoms bond TED ED

Why do atoms bond with each other?

• To gain more protons.

• To create new elements.

• To fill their valence shells.

Atoms with a charge are called ions. Why does changing the number of electrons in an atom give that atom a charge?

• The number of electrons, protons and neutrons must always be equal.

• The number of electrons must equal the number of protons for the atom to remain neutral.

• The electrons add a positive charge to the atom.

How is a covalent bond different than an ionic bond?

• Atoms are giving away electrons in covalent bonding.

• Covalent bonds involve sharing electrons unlike ionic bonding where electrons are either lost or gained.

• There are more positive ions forming in covalent bonds.

What is a neutral atom?

• An atom with a charge.

• An atom with fewer neutrons than protons.

• An atom with the same number of protons and electrons and no charge.

What are the electrons called in the outer most energy shells?

• valence electrons.

• low energy electrons

• isotopes

Molecules are formed when atoms form what type of bond

• neutral

• ionic

• covalent