Atomic Structure
Ions and Models
Bonds and Formulas
Polarity and Shape
Type of Reactions (mostly)
100
Which subatomic particle has a
positive charge?
Proton
100
How many valence electrons does
a neutral atom of sulfur have?
6
100
A transfer of electrons would best describe which type of bond?
Ionic
100
Use the given Lewis Structure to determine the number of unshared pairs for PCl3.
10
100
Which type of chemical reaction
is this an example of:
Li2O --> Li + O2
Decomposition
200
An atom's atomic number is 26. It
is an atom of which element?
Iron / Fe
200
What charge will the nitrogen ion have?
N 3-
200
Which of the following would most likely form an ionic compound?
a. Mg and Na b. Mg and Cl
c. N and S d. O and Cl
Mg and Cl A metal and a nonmetal
200
How many bonding domains does CH2O have?
3
200
Balance the following equation
_AlCl3 + _NaOH -> _ Al(OH)3 +_ NaCl
1, 3, 1, 3
300
Atoms of the SAME element MUST have
the same amount of ___________ to be
part of that element
protons
300
Draw the Bohr model for oxygen
300
When an atom loses electrons it is called a(n)____
300
Use the given Lewis Structure to determine the polarity for CO2.
NONPOLAR
300
Which type of chemical reaction is best described by the definition: “A substance reacts with oxygen to create water, carbon dioxide, and a large amount of heat or light.”
Compound +O2->CO2 + H2O
Combustion
400
These are an example of
ISOTOPES
400
Elements in the same group have the similar properties because they have the same …
a. number of valence electrons b. number of protons c. mass d. state of matter
- number of valence electrons
400
What is the formula for the compound formed between Ga and F?
GaF3
400
Which of the following is an intermolecular force?
a. Covalent bond
b. Hydrogen bond
c. Ionic bond
d. Metallic bond
b. Hydrogen bond
400
What is the molar mass of CaCl2?
110 g/mol
500
How many neutrons does THIS
carbon atom have?
8
500
Which of the atoms listed below has the largest radius?
1. Li 3. Cs
2. K 4. Rb
Cs
500
What is the formula for the compound formed between Mg and PO43-?
Mg3(PO4)2
500
Consider methane (CH4) and Octane (C8H18), which would have a higher boiling point?
C8H18
500
Name this piece of lab equipment
graduated cylinders