The first noble gas with a Lewis Structure with 8 dots is
A. Ar
B. Kr
C. He
D. ne
Answer:
C) He
Explanation:
Helium is one of the noble gases and contains a full valence shell. Unlike the other noble gases in Group 8, Helium only contains two valence electrons.
How much eat is absorbed when 50.0g of water changes from 25.0 Celsius to 37.0 Celsius?
The element magnesium is a
O Group 12, Transition Metal
O Period 3, Alkaline Earth Metal
Period 4. Alkali Metal
O Period 4, Halogen