Stoichiometry
What is Avogadro's #
6.02214076×10²³ u
Calcium
1s22s22p63s23p64s2
What group is known as Halogens
Group 17
What's Chemistry the study of
Matter
How many grams total are there in 5 moles of elemental Helium?
answer on board...
Iodine
[Kr] 5s² 4d¹⁰ 5p⁵
What is the most reactive family/group?
alkali metals
This is the smallest type of atom
Hydrogen
Chlorine gas weighs 496 grams. How many moles of Chlorine gas (Cl2) does this sample have?
answer on board...
Mercury
[Xe] 6s² 4f¹⁴ 5d¹⁰
Which element is liquid at the ground state?
Mercury or Bromine
What does the atomic number tell us?
# of protons
What are you trying to find when you convert moles to grams?
MOLAR MASS
Chromium
[Ar] 4s¹ 3d⁵
Which element is the only nonmetal in its group?
Hydrogen
A chemical change that involves the loss of electrons
Oxidation
How many moles of Fe2O3 will form from 5.0 moles of Fe?
2.5 moles
Copper
[Ar] 4s¹ 3d¹⁰
Name one diatomic element
BrINClHOF
What is an intermolecular force?
the bond between atoms