Atomic Stuff and the Periodic Table.

The sub atomic particle that has no charge is called?

What type of Elements are typically shiny, hard, and good conductors of electricity?

How many atoms in the compound  CaF₂  

If the atomic number is 12 and the mass is 24,  the number of protons is

The subatomic particle that orbits the nucleus is called

If the atomic mass is 56, and the atomic number is 26, How many neutrons

What Element is Ca?

What element is He?

The subatomic particle that has 1 amu and a positive charge is called

How many atoms in the compound NH ₄ Br