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ACC Atoms And Periodic Table Review
Test Description: Midterm Review
Instructions: Answer all questions to get your test result.
1) At a molecular level, what happens as a gas becomes a liquid:
A
Particles will speed up and spread apart
B
Particles will slow down and become condensed
2) Which of the following will form an Ionic Bond with potassium?
A
Chlorine
B
Sodium
C
Neon
3) Nuclear Fusion is when:
A
Two atoms Hydrogen split to form a smaller one
B
Two atoms Hydrogen combine to form a larger one
4) Nuclear Fission is when:
A
Two smaller atom combines to form an even smaller atom
B
One large atom splits into two different atoms
5) Which best explains the difference between reactants and products? We started with 20g and ended with a 15g mixture after the reaction.
A
Some of the product was absorbed from the top of the flask
B
Some of the product was released from the top of the flask
6) What is the name for BeF2?
A
Beryllium Fluoride
B
Boron Fluoride
C
Becium Fluoride
7) In the formula, CaN, calcium is a:
A
Non-Metal
B
Metal
8) What type of bond exists between CaN?
A
Ionic Bond
B
Covalant Bond
9) Magnesium has how many valance electrons in its outer shell.
A
2
B
4
C
3
10) Which of the following would be the more reactive?
A
Cl
B
S
C
Ar
D
Al
11) Moving from the bottom to the top of the states of matter diagram:
A
The forces getting smaller and energy is being added
B
The forces are weakening as energy is being removed.
12) What is the formula for tetra sulfur pentoxide?The numbers behind the element are subscripts in this question.
A
S405
B
S3010
13) CH4 + 2O2 ---------CO2 + ___H20; What is the correct Coefficient to place in front water.
A
3
B
4
C
2
D
1
14) Which of the following describes the powder used to make kool-aid before you mix water in it.
A
A solute
B
A solvent
15) Isotopes has the same number of protons:
A
But different number of electrons
B
But different number of neutrons
16) What is the chemical symbol for Sodium Chloride?
A
NaCl
B
NaC
17) How many atoms of oxygen are present in CO2?
A
1
B
2
18) How many atoms of Sulfar are present in MgS?
A
2
B
3
C
1
19) Which element would take Magnesium's valence electrons to form an Ionic Bond and fill its outer shell?
A
S
B
Ne
C
P
20) Which element is made of five protons?
A
Be
B
Ne
C
B
*select an answer for all questions
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