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 not covalently bond with Chlorine?
Oxygen, Sodium, Carbon, Nitrogen, Sulfur.
Sodium, because it is a metal and metals cannot make covalent bonds.
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
Draw the bond structure for propane gas, C3H8
H H H
| | |
H - C - C - C - H
| | |
H H H
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
Ethanol, C2H6O, is an alcohol found in moonshine and gasoline.
Draw the bond structure for ethanol. It's based around the two carbons connected by a single covalent bond.
H H
| |
H - C - C - O - H
| |
H H
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.