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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
negative charge is mainly concentrated in its nucleus
B
positive charge is evenly distributed throughout its volume
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 no mass
B
no charge and no mass
C
no charge and a mass of 1 amu
D
charge of +1 and mass of 1 amu
3) Which statement about the mass of an electron is correct
A
mass of electron = mass of proton
B
mass of electron > mass of neutron
C
mass of electron > mass of proton
D
mass of electron < mass of proton
4) Besides hydrogen, how many valence electrons does an element want to have
A
8
B
0
C
2
D
18
5) What is not located in the nucleus
A
quark
B
electron
C
proton
D
neutron
6) what type of bond shares electrons
A
hydrogen
B
ionic
C
acid-base
D
covalent
7) What is the ionic compound formula when you combine Sn with N
A
Sn3N4
B
SnN2
C
SnN
D
Sn2N3
8) Which of the following is the empirical formula?
A
CH2O
B
C2H4O2
C
H-C-O-H
D
C6H12O6
9) What is the ionic compound formula for Al and OH
A
Al3OH
B
AlOH3
C
Al(OH)3
D
AlOH
10) How many dots should there be for a Lewis Dot Diagram of Flourine
A
7
B
4
C
8
D
1
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