1.
Consists of protons, neutrons, and electrons
2.
Equals the atomic number
3.
Atoms with different numbers of neutrons
4.
Used for holding liquids
5.
A change in properties but not in substance
6.
A mixture that can be separated
8.
The horizontal rows of the Periodic Table
9.
The vertical columns of the Periodic Table
10.
An atom that has lost or gained an electron
11.
The element with the symbol Na
12.
The element with 6 protons
13.
Electrons are transferred for this bond
14.
Electron are shared for this bond
15.
A sea of electrons for this bond
16.
A substance with a pH between 0-6
17.
A substance that releases OH- ions
18.
Maximum number of electrons in the first energy level
19.
The Periodic trend that decreases as group increases
20.
6.022x10^22 of anything
21.
Water molecules stick to other things
22.
Water molecule stick to each other
23.
Sugars used for energy
24.
Molecules with 9 calories per gram
25.
Molecules used for growth and repair