Electron Configurations and Bohr Models Counting Atoms and Molecules Key Vocabulary Families in the Periodic Table Potpourri
100
2,8,1
The electron configuration for Sodium
100
12
How many atoms of Hydrogen in a sugar compound.

C6 H12 O6
100
The number of electrons in the outter shell
Valence
100
Alkaline metals
This family is very reactive with water. They have one valence electron and bond with group 17 to make salts.
100
Helium. It only has 2 electrons. It's outer shell is filled with 2.
What is the only noble gas that does not follow the octet rule...and why?
200
2,8,7
Draw the Bohr model for Chlorine
200
10 H2O
Write a chemical formula that show 10 molecules of a compound
200
Atoms are happy when their outer shell is filled with 8 electrons
Octet Rule
200
Noble gases
These elements have their outer shell filled. They are said to be stable
200
Magnesium
What element is in period 2 with 2 valence electrons
300
Calcium
What is this element?

2,8,8,2
300
C20H24O3
Steroids consists of carbon hydrogen and oxygen.

There are 3 atoms of oxygen.
Hydrogen has 8 times as many atoms as oxygen
There are 20 atoms of the last element.

What is the molecular formula
300
Subscript
The number to the lower right in a Chemical Formula.

This tells you the number of atoms of each element
300
Transition metals
This family contains most of our precious metals. They are both ductile and malleable
300
Metalloids/Semiconductors
What is the name of the elements that create a ladder between the metals and non-metals
400
2,8,8,4
Draw the Bohr Model for Chromium
400
l
Black = Calcium
White= Chloride

Draw a molecule of CaCl2
400
the instructions for making a chemical compound
A chemical Formula
400
Alkaline earth metals
The family has 2 valence electrons. They are reactive but not as reactive as Group 1.
400
77
How many neutrons does Xenon have
500
They all have 1 electron
Write the electron configurations for Li,Na, K

What relationship do you see?
500
12
CH2CH(CH3)N(CH3)2

How many atoms of Hydrogen
500
Coefficient
A large number in front of a chemical formula that tells you how many molecules of that compound
500
The halogens
These elements get more reactive as you go up the group. This family contains the most reactive element on the Periodic table
500
Isotope
An element has the same number of protons and electrons but can be found with 12 neutrons and 13 neutrons. What is the name of the variations of this element






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