Periodic Table
How many electrons fit on the first energy level?
2, 4, or 6
2
How many electrons fit on the third energy level?
18, 24, 36
18
How many liquids are on the periodic table?
2, 4, or 6
2 bromine (Br) and mercury (Hg).
What does the term 'valence electrons' mean? (2 things)
Number of electrons on the outermost shell, tells how reactive an element is
Number of electrons on the first shell, tells how reactive the element is
number of electrons on outermost shell, tells how reactive an element is