Metals
Ni
Nickel
H
Hydrogen
B
Boron
Ne
Neon
Which element is used in coins?
Nickel
Au
Gold
O
Oxygen
As
Arsenic
Ar
Argon
Which element’s name is also the name of a planet?
Mercury
Cu
Copper
S
Sulfur
At
Astatine
Xe
Xenon
Which element has the symbol K, but its name does not start with K?
Potassium
Fe
Iron
Br
Bromine
Ge
Germanium
He
Helium
Which element makes up about 78% of the air we breathe?
Nitrogen
Zr
Zirconium
Se
Selenium
Po
Polonium
Kr
Krypton
What gas makes your voice squeaky if you breath from a balloon?
Helium