7th Grade Science 2nd Quarter Assessment Practice (Part 2): Question Preview (ID: 12145)


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An atom always has the same amount of ___________ & ______________.
a) protons, neutrons b) electrons, neutrons c) electrons, muons d) protons, electrons
The nucleus contains which of the following parts of an atom:
a) protons, neutrons b) electrons, neutrons c) electrons, muons d) protons, electrons
The amount of electrons allowed in the first shell of an atom is:
a) 2 b) 8 c) 16 d) 32
The amount of electrons allowed in the second shell of an atom is:
a) 2 b) 8 c) 16 d) 32
Using the periodic table provided, the number of neutrons for Argon is:
a) 18 b) 22 c) 39.9 d) 40
Using the periodic table provided, the number of electrons for Krypton is:
a) 36 b) 48 c) 83.8 d) 84
Using the periodic table provided, the number of protons for Manganese is:
a) 25 b) 30 c) 54.9 d) 55
Using the periodic table provided, the number of protons & neutrons for Cobalt is:
a) 27 b) 59 c) 58.9 d) 86
An independent variable is best described as:
a) what you measure as a result of something you change. b) what you purposely change in the experiment. c) what you keep the same throughout the experiment. d) a variable that has its' own apartment.
Which of the following is NOT part of a well written, four part conclusion?
a) Support with data b) Restate hypothesis c) Confirm or reject hypothesis d) 3 observations
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