Keywords
2) What do we call the horizontal rows of the Periodic Table?
Periods
Gold walks into a bar, the bartender says "Au, get out of here!"
Neon and Argon
Neon and Fluorine
What is the combined atomic mass of table salt (NaCl)?
(It was predicted by Mendeleev, and when it was discovered, people began to accept Mendeleev's ideas).
What would be the atomic mass of water if water is a combination of 2 Hydrogens and 1 Oxygen?
2 Hydrogens = mass number of 2
1 Oxygen = mass number of 16
16 + 2 = 18
Water's mass number = 18