1.
Metal in high-strength steel
2.
First synthetic element
4.
Shiny, reflective, rare metal
5.
Catalyst in hydrogenation reactions
6.
Precious conductor, used in jewelry
7.
Toxic metal used in batteries
8.
Soft metal used in touchscreens
9.
Metal used in alloys and cans
10.
Metalloid used in flame retardants
11.
Metalloid in semiconductors
12.
Purple solid halogen, essential for thyroid
13.
Noble gas used in lamps and anesthesia
14.
Soft metal with low melting point
15.
Heavy metal producing green flames
16.
First of the lanthanides
17.
Rare earth used in catalytic converters
18.
Greenish rare earth metal
19.
Powerful magnets contain this metal
20.
Radioactive rare earth element
