Gummy Bear Lab Quiz- Ionic and Covalent Bonds

Atoms

small particles that make up elements and compounds

Molecules

Two or more of the same atoms bonded together

Single Element Molecules

molecules made up of only one type of atom

Compounds

two or more different types of atoms that are chemically bonded

Covalent Electrons

bonds that involve sharing of a pair of electrons between two atoms

Ionic Bonds

bonds that involve the transfer of electrons between two atoms

Covalent Bonding

bonds that occur between two nonmetals

Ionic Bonding

bonds that occur between a metal and nonmetal

H2O

2 Hydrogen and 1 Oxygen

Na2O

2 Sodium 1 Oxygen

CO2

1 Carbon 2 Oxygen

CH4

1 Carbon 4 Hydrogen

NaCl

1 Sodium 1 Chlorine

What small particle makes up all substances?

an atom

How is a compound different from a molecule?

a compound is made up of two or more different elements chemically bonded while molecules are groups of atoms bonded which could be the same or different elements.

One of the properties of a pure substance is that they always exist in fixed proportions. How many hydrogen atoms are needed to form 5 water molecules?

10

Which substances form ionic bonds?

Nonmetals and metals

Which substances form covalent bonds?

substances of the same composition