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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
liquid
C
gas
D
solid
3) Which state of matter has a definite shape and volume?
A
plasma
B
solid
C
liquid
D
gas
4) Which state of matter takes the shape of the container and has a definite volume?
A
gas
B
liquid
C
solid
D
gel
5) Which state of matter does not have a definite shape or volume?
A
solid
B
gas
C
liquid
D
plasma
6) All are physical properties of matter except
A
mass
B
color
C
density
D
pH
7) Protons have what charge?
A
both positive and negative
B
positive
C
negative
D
nuetral
8) Neutrons have what charge?
A
both positive and negative
B
neutral
C
positive
D
negative
9) What charge does an electron have?
A
positive
B
neutral
C
negative
D
both positive and negative
10) Same atoms that have a different # of neutrons are called ________________
A
isotopes
B
brother atoms
C
homies
D
unbalanced
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 neutrons
B
mass number and tells us the number of protons
C
atomic number and tells us the number of protons
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
proton number
B
atomic mass
C
symbol
D
atomic number
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
pure substance
C
liquid
D
mixture
15) All can be broken down into simpler substances except
A
compounds
B
elements
C
homogenous mixtures
D
heterogeneous mixtures
16) A mixture that is uniform (the same) throughout is a______________________
A
heterogeneous mixture
B
homogeneous mixture
C
compound
D
element
17) A pH of less than 7 is ____________
A
neutral
B
acidic
C
basic
D
none of the above
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
none of the above
B
orange juice
C
water
D
motor oil
20) When a solid goes directly from a solid to a gas or directly from a gas to a solid is called _________________________
A
precipitation
B
condensation
C
evaporation
D
sublimation
*select an answer for all questions
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