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CYB Chemistry EOC Practice 1
Test Description: First Week Material
Instructions: Answer all questions to get your test result.
1) What is the definition of matter?
A
a liquid
B
a solid
C
anything that has height and takes up space
D
anything that has weight and takes up space
2) All are states of matter except
A
liquid
B
gas
C
solid
D
gel
3) Which state of matter has a definite shape and volume?
A
liquid
B
solid
C
gas
D
plasma
4) Which state of matter takes the shape of the container and has a definite volume?
A
gas
B
liquid
C
gel
D
solid
5) Which state of matter does not have a definite shape or volume?
A
plasma
B
liquid
C
solid
D
gas
6) All are physical properties of matter except
A
density
B
pH
C
color
D
mass
7) Protons have what charge?
A
negative
B
positive
C
both positive and negative
D
nuetral
8) Neutrons have what charge?
A
neutral
B
negative
C
positive
D
both positive and negative
9) What charge does an electron have?
A
both positive and negative
B
neutral
C
positive
D
negative
10) Same atoms that have a different # of neutrons are called ________________
A
homies
B
brother atoms
C
unbalanced
D
isotopes
11) If reading the periodic table. The number on the top of the letter means what?
A
mass number and tells us the number of neutrons
B
atomic number and tells us the number of neutrons
C
mass number and tells us the number of protons
D
atomic number and tells us the number of protons
12) If reading the periodic table. The number on the bottom of the letter means what?
A
atomic mass
B
proton number
C
atomic number
D
symbol
13) The atomic mass measures the mass of all particles except
A
neutrons
B
protons and neutrons
C
electrons
D
protons
14) If the composition of matter is variable it is a _____________________
A
solid
B
liquid
C
mixture
D
pure substance
15) All can be broken down into simpler substances except
A
homogenous mixtures
B
elements
C
heterogeneous mixtures
D
compounds
16) A mixture that is uniform (the same) throughout is a______________________
A
heterogeneous mixture
B
compound
C
homogeneous mixture
D
element
17) A pH of less than 7 is ____________
A
neutral
B
basic
C
none of the above
D
acidic
18) A pH higher than 7 is __________________
A
neutral
B
acidic
C
none of the above
D
basic
19) Of the following substances which is most viscous?
A
motor oil
B
water
C
orange juice
D
none of the above
20) When a solid goes directly from a solid to a gas or directly from a gas to a solid is called _________________________
A
condensation
B
sublimation
C
evaporation
D
precipitation
*select an answer for all questions
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