Na
What is sodium
Be
What is beryllium
vital mineral and electrolyte that is essential for human health
What is potassium
weather balloons
What is helium
drew the first periodic table
What is Dimitry Mendeleyev
Cu
What is copper
P
What is phosphorus
electrical wires
What is copper
strong teeth and bones
What is calcium
The way the periodic table is organized
What is by the atomic number
What is selenium
I
What is iodine
diamonds
What is carbon
found in toothpaste
What is fluorine
Have properties of both metals and nonmetals
What is metalloids
Hg
What is mercury
Rn
What is radon
used to make semiconductors, very poisonous to humans
What is arsenic
a germ killer in swimming pools
What is chlorine
Dull, brittle, poor conductors
What is nonmetals
Sn
What is tin
Ti
What is titanium
makes signs glow (store window signs)
What is neon
________ increases from left to right across a period
What is atomic number
Shiny, conduct heat/electricity
What is metals