Valence Electrons
Lewis-Dot Structures
Covalent Bonds
Ionic Bonds
Previous Knowledge
100
How many valence electrons does Hydrogen have?
1
100
Draw/describe a Lewis-Dot Structure for Chlorine.
What is it has 2 dots above the symbol, 2 dots to the right of the symbol, 2 dots below the symbol, and 1 dot to the left of the symbol.
100
Covalent bonds normally occur between what type(s) of elements?
Nonmetals (over in the p block but not noble gasses).
100
Ionic Bonds occur between what type(s) of elements?
Cations and Anions
100
Ionic radii tend to increase as...
One reads down a column/group or reads from right to left across a row/period (with an exception of moving from p block into d block/transitional metals)
200
How many valence electrons does Sodium have?
1
200
Draw/describe a Lewis-Dot Structure for Sulfur.
What is it has 2 dots above the symbol, 2 dots to the right of the symbol, 1 dot below the symbol, and 1 dot to the left of the symbol.
200
How many covalent bonds can Oxygen make (at most)?
2
200
How many Sodium ions would it take to balance a Sulfur-2?
2
200
The most electronegative atom.
What is Flourine?
300
How many valence electrons does Carbon have?
4
300
Draw/describe the Lewis-dot structure of Beryllium (Be)
What is it has 2 dots above the symbol
300

Which of the following will most likely form a covalent bond with Chlorine? Calcium, Sodium, Magnesium, or another Chlorine atom

Chlorine, because metals and nonmetals do not form covalent bonds with each other

300
What sort of charge is Calcium likely to have?
+2
300
Molecules that show polarity have atoms that are bonded together this way.
What are polar covalent bonds
400
How many valence electrons does Iodine have?
7
400
Draw/describe the Lewis-dot structure for Nitrogen.
What is it has 2 dots above the symbol, 1 dot to the right of the symbol, 1 dot below the symbol, and 1 dot to the left of the symbol.
400

These are the shortest bonds but they contain the most energy:

What are triple covalent bonds?

400

What is the likely chemical formula for the bonding of Calcium and Iodine?

CaI2

400
Ionic bonds are maintained this way.
What is through electrostatic attraction?
500
How many valence electrons does Xenon have?
8
500
Draw a Lewis Dot structure for Aluminum.
What is it has 2 dots above the symbol and 1 dot to the right of the symbol
500

This determines if two atoms will form a polar covalent bond or a nonpolar covalent bond.

What is the difference in electronegativities?

500

Write a likely chemical formula for the bonding of Potassium and Iodine

KI

500
This is how polar molecules that contain hydrogen can interact.
What is through Hydrogen bonds.
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