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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 solid
B
anything that has height and takes up space
C
a liquid
D
anything that has weight and takes up space
2) All are states of matter except
A
gel
B
solid
C
gas
D
liquid
3) Which state of matter has a definite shape and volume?
A
liquid
B
plasma
C
solid
D
gas
4) Which state of matter takes the shape of the container and has a definite volume?
A
liquid
B
gas
C
solid
D
gel
5) Which state of matter does not have a definite shape or volume?
A
plasma
B
solid
C
liquid
D
gas
6) All are physical properties of matter except
A
pH
B
density
C
mass
D
color
7) Protons have what charge?
A
both positive and negative
B
negative
C
positive
D
nuetral
8) Neutrons have what charge?
A
neutral
B
positive
C
both positive and negative
D
negative
9) What charge does an electron have?
A
neutral
B
positive
C
negative
D
both positive and negative
10) Same atoms that have a different # of neutrons are called ________________
A
brother atoms
B
homies
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 protons
B
atomic number and tells us the number of protons
C
atomic number and tells us the number of neutrons
D
mass number and tells us the number of neutrons
12) If reading the periodic table. The number on the bottom of the letter means what?
A
atomic mass
B
symbol
C
proton number
D
atomic number
13) The atomic mass measures the mass of all particles except
A
protons and neutrons
B
protons
C
electrons
D
neutrons
14) If the composition of matter is variable it is a _____________________
A
pure substance
B
liquid
C
solid
D
mixture
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
element
D
homogeneous mixture
17) A pH of less than 7 is ____________
A
neutral
B
none of the above
C
basic
D
acidic
18) A pH higher than 7 is __________________
A
none of the above
B
neutral
C
basic
D
acidic
19) Of the following substances which is most viscous?
A
orange juice
B
motor oil
C
none of the above
D
water
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
evaporation
C
sublimation
D
precipitation
*select an answer for all questions
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