Scientists
Who created the periodic table?
Mendeleev
What is the atomic number?
The number of protons, used to identify elements
Non-zero digits
How many zinc atoms would be in 2.44 moles of zinc?
1.47 x 1024
How many grams of calcium are there is you have 1.05 x 1022 atoms?
0.699
Who was the first scientist to discover the atom?
Democritus
Do the Noble Gases react?
NO
NEVER significant
How much would 0.088 moles of aluminum weigh? (In grams)
2.4g
How much does 8.76 x 1024 atoms of magnesium weigh? (in grams)
354g
Who founded the mole?
Amadeo Avogadro
What group of elements is Family 1?
Alkali Metals
Scientific Notation
Every digit BEFORE x10x is SIGNIFICANT
How many atoms are there in 56 moles of silver?
3.37 x 1023
How many strontium atoms would have a mass of 1.45g?
9.97 x 1021