Element symbol
He
What is Helium
Positively charged particle
What is a proton
an atom that has lost or gain an electron
What is an ion
2,8
What is Neon
K
What is potassium
Negatively charged particle
What is an electron
isotopes
What are atoms with the same number of protons but different numbers of neutrons
Boron
What is 2,3
Be
What is beryllium
Particle with no charge
What is a neutron
collection of elements across the periodic table
What is a period
2,6
What is oxygen
Ar
What is Argon
Move within a cloud around the nucleus
What is an electron
Collection of elements down a column of the periodic table
What is a group
Chlorine (17)
2,8,7
Si
What is Silicon
particles within the nucleus of the atom
What are protons and neutrons
Noble gases
What are any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table.
2,8,8,8
What is iron (26)