Atoms
The difference between a physical and chemical change is?
What is chemical changes produce new substances
Which group on the periodic table is malleable ?
What is a metal
what identifies an element
What are protons
Name the group on the periodic table that is unreactive?
What is group 18 (noble gases)
What is the maximum number of electrons in the first, second, and third energy levels
What is 2-8-8
What is there is an equal amount of protons and electrons?