What element has an atomic number of two?
What is helium
Helium's symbol?
What is He?
What is the positively charged particle?
What is a Proton
which group is helium in
What is Noble gas
How many elements are in the periodic table?
What is 118 elements
What element has one proton?
What is Hydrogen
Oxygen's symbol?
What is O?
What is the negatively charged particle?
What is an electron?
what group is iron in
What is transition metals
what are the vertical rows on a periodic table called?
What is groups
What element has the atomic number 8?
What is Oxygen
B's name?
What is Boron?
What is the neutral particle?
What is a neutron
Which metal is not reactive
What is platinum
This element is the lightest element on the periodic table?
What is Hydrogen
What element has 3 electrons?
What is Lithium
Sodium's symbol?
What is Na
What particle is outside of the neucles?
What is an electron
what group has rubidium
What is Group 1
This gas makes up earth's atmosphere
What is Nitrogen
What element has the atomic number 18?
What is Argon
K's name?
What is potassium
What contains only the neutrons and protons?
What is the neucles
Which group does fluorine belong to
What is group 17
This element has the symbol K and is important for muscles and nerves.
What is Potassium