1.
the lightest (lowest density) gas in the universe
2.
unreactive gas with only two electrons
3.
it's ions are used in rechargeable batteries
4.
positive ions of this are found in bananas
5.
positive ions of this are found in table salt
6.
a low density metal found in window screens
7.
80% of the air that we breathe
8.
necessary to enable things to burn
9.
the building block of biology. It has 6 electrons
10.
negative ions of this element are in toothpaste
11.
used to kill germs in swimming pools
12.
yellow powder used in the iron sulfide demo
13.
unreactive gas found in incandescent light bulbs
14.
used to produce nuclear energy
15.
plumbers originally use this for pipes
16.
famous constituent of cans
17.
latin name Wolfrum, it's a VERY hard, stable metal
18.
its ions are famous for strength in bones
19.
a precious metal famous for its AUra
20.
precious metal used as a catalyst for car exhaust
21.
widely used in electrical wiring
22.
used as plating for metal to prevent rust
23.
its ions are in blood, its atoms in nails
24.
a precious metal used in flatware for dining
