Elements and Bohr Models
a year ago
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    A __________ is a subatomic particle with a positive charge.

    answer choices

    proton

    neutron

    electron

    nucleus

  • Question 2
    30 seconds
    Q.

    This is the location of electrons in an atom.

    answer choices

    nucleus

    protons

    orbitals

    neutrons

  • Question 3
    30 seconds
    Q.

    How many valence (outer) electrons does an Oxygen atom have?

    answer choices

    2

    6

    8

    16

  • Question 4
    30 seconds
    Q.

    A __________ is a subatomic particle with a negative charge.

    answer choices

    proton

    neutron

    electron

    nucleus

  • Question 5
    30 seconds
    Q.

    What is the average atomic mass of Magnesium?

    answer choices

    12.011

    14.007

    22.990

    24.305

  • Question 6
    30 seconds
    Q.

    In the molecule 4CO2, the number "4" is a...

    answer choices

    subscript

    coefficient

  • Question 7
    30 seconds
    Q.

    What is the atomic number of this element?

    answer choices

    17

    18

    35

    35.453

  • Question 8
    30 seconds
    Q.

    How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

    answer choices

    2

    6

    8

    10

  • Question 9
    30 seconds
    Q.

    What is the mass number of this atom of Chlorine?

    answer choices

    17

    18

    35

    35.453

  • Question 10
    30 seconds
    Q.

    In the molecule C6H12O6, how many hydrogen atoms are there?

    answer choices

    1

    6

    12

    24

  • Question 11
    30 seconds
    Q.

    A __________ is a subatomic particle with a neutral charge.

    answer choices

    proton

    neutron

    electron

    nucleus

  • Question 12
    30 seconds
    Q.

    A __________ is a small number that shows the number of atoms in a molecule.

    answer choices

    subscript

    coefficient

  • Question 13
    30 seconds
    Q.

    If an atom of Phosphorus has 16 neutrons, what is it's mass number?

    answer choices

    15

    16

    30.974

    31

  • Question 14
    30 seconds
    Q.

    What is the coefficient in 6NO2?

    answer choices

    1

    2

    6

    12

  • Question 15
    45 seconds
    Q.

    If an atom of Fluorine has 10 neutrons, which of the following is FALSE?

    answer choices

    The mass number is 19.

    There are 10 total electrons.

    There are 7 valence electrons.

    There are 9 protons.

  • Question 16
    30 seconds
    Q.

    If an atom of Sodium has a mass number of 23, it will have...

    answer choices

    23 protons

    11 neutrons

    12 protons

    12 neutrons

  • Question 17
    30 seconds
    Q.

    ___________ simplify the Bohr Model by showing only the outer valence electrons used for bonding.

    answer choices

    Lewis Dot Diagrams

    Bohr Models

    Electron Clouds

    Periodic Tables

  • Question 18
    30 seconds
    Q.

    How many molecules of H2O are found in 5H2O?

    answer choices

    1

    2

    5

    10

  • Question 19
    30 seconds
    Q.

    Protons + Neutrons =

    answer choices

    the average atomic mass

    mass number

    number of electrons

    APE MAN

  • Question 20
    30 seconds
    Q.

    How many atoms of hydrogen are found in 2NH3?

    answer choices

    1

    2

    3

    6

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