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8.5A Review for Test

Quiz by Jennifer Davis

Grade 8
Science (2020-present)
Texas Essential Knowledge and Skills (TEKS)

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Measures 1 skill from
Grade 8
Science (2020-present)
Texas Essential Knowledge and Skills (TEKS)

SCI.8.5A

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11 questions
Show answers
  • Q1

    If the dartboard above is used to model an atom, which dart indicates where the protons and neutrons are located?

    Question Image

    Dart Z

    Dart X

    Dart W

    Dart Y

    30s
    SCI.8.5A
  • Q2

    If an atom has 14 protons, 14 neutrons, and 14 electrons, what is the charge of the atom's nucleus? 

    +28

    -28

    -14

    +14

    30s
    SCI.8.5A
  • Q3

    Which of these best describes one of the subatomic particles that could be found at location x in the model of the atom shown?

    Question Image

    it has a mass and no charge

    it has no mass and an equal number of positive and negative charges

    it has a large mass and a negative charge

    it has no mass and a positive charge

    30s
    SCI.8.5A
  • Q4

    What is the charge of the atom below?

    Question Image
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    30s
    SCI.8.5A
  • Q5

    The following is a model of a neutral atom. According to the information given, what is the name of this atom?

    Oxygen

    Fluorine

    Nitrogen

    Neon

    30s
    SCI.8.5A
  • Q6

    Look at the drawing below. How many electrons are found in the neutral atom?

    Question Image

    10

    5

    9

    4

    30s
    SCI.8.5A
  • Q7

    How many positively charged particles are in an atom of magnesium?

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    30s
    SCI.8.5A
  • Q8

    How many negatively charged particles are in an atom of carbon (C)?

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    30s
    SCI.8.5A
  • Q9

    If an atom has 12 neutrons, 14 electrons, and 12 protons, what is the atom's charge?

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    30s
    SCI.8.5A
  • Q10

    How many neutrons would the atom in the diagram below contain in its nucleus?

    Question Image

    18

    20.180

    20

    10

    30s
    SCI.8.5A
  • Q11

    How many neutrons does the atom below contain in its nucleus? Use your periodic tables to get the total mass of the atom, but identify the atom first using the number of protons.

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    30s
    SCI.8.5A

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