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Chemistry Benchmark 1 Review C
Test Description: HIghest score per class gets extra credit
Instructions: Answer all questions to get your test result.
1) Experiments performed to reveal the structure of an atom led scientists to conclude that an atom's
A
positive charge is evenly distributed throughout its volume
B
negative charge is mainly concentrated in its nucleus
C
volume is mainly unoccupied
D
mass is evenly distributed throughout its volume
2) What are the characteristics of a neutron
A
charge of +1 and mass of 1 amu
B
no charge and a mass of 1 amu
C
no charge and no mass
D
charge of +1 and no mass
3) Which statement about the mass of an electron is correct
A
mass of electron = mass of proton
B
mass of electron < mass of proton
C
mass of electron > mass of neutron
D
mass of electron > mass of proton
4) Besides hydrogen, how many valence electrons does an element want to have
A
18
B
8
C
0
D
2
5) What is not located in the nucleus
A
quark
B
neutron
C
proton
D
electron
6) what type of bond shares electrons
A
hydrogen
B
covalent
C
acid-base
D
ionic
7) What is the ionic compound formula when you combine Sn with N
A
Sn2N3
B
SnN
C
Sn3N4
D
SnN2
8) Which of the following is the empirical formula?
A
H-C-O-H
B
CH2O
C
C6H12O6
D
C2H4O2
9) What is the ionic compound formula for Al and OH
A
Al(OH)3
B
Al3OH
C
AlOH
D
AlOH3
10) How many dots should there be for a Lewis Dot Diagram of Flourine
A
4
B
7
C
1
D
8
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