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