Chemistry
7th - 8th grade
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48 QuestionsShow answers
  • Question 1
    60 seconds
    Q.

    compounds are chemically bounded together

    answer choices

    False

    true

  • Question 2
    60 seconds
    Q. Can an element be broken down into a simpler substance 
    answer choices
    yes 
    No
  • Question 3
    30 seconds
    Q. Which one has more than one type of atom in it
    answer choices
    Element
    Compound 
  • Question 4
    30 seconds
    Q. which one only has one type of atom In it.
    answer choices
    Element
    compound
  • Question 5
    30 seconds
    Q. Is salt (NaCI) a compound or a element
    answer choices
    Compound
    element
  • Question 6
    30 seconds
    Q. which one can be found on the periodic table
    answer choices
    Compound 
    Element
  • Question 7
    30 seconds
    Q.
    answer choices
    1
    2
    3
    4
  • Question 8
    30 seconds
    Q.

    Which of the following is an element?

    answer choices

    Carbonic Acid

    Copper

    Nitrous oxide

    Water

  • Question 9
    60 seconds
    Q. What is made up two or more elements that are chemically combined?
    answer choices
    Element
    Mixture
    Compound
    Solids
  • Question 10
    120 seconds
    Q. Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?
    answer choices
    Compound
    Element
    Mixture
    None of the Above
  • Question 11
    30 seconds
    Q. Water is an example of:
    answer choices
    compound
    element
    solution
  • Question 12
    10 seconds
    Q. This picture represents which of the following?
    answer choices
    element
    compound
    mixture
  • Question 13
    30 seconds
    Q.

    This picture represents which of the following?

    answer choices

    element

    mixture

  • Question 14
    30 seconds
    Q.

    This picture represents which of the following?

    answer choices

    element

    compound

  • Question 15
    30 seconds
    Q.
    answer choices

    Element

    Mixture

    Compound

  • Question 16
    30 seconds
    Q.
    answer choices
    Element
    Molecule
    Compound
    Mixture
  • Question 17
    30 seconds
    Q.
    answer choices

    Element

    Mixture

    Compound

  • Question 18
    10 seconds
    Q. What is salad?
    answer choices
    element
    compound
    mixture
  • Question 19
    10 seconds
    Q.

    What is sugar? (C6H12O6)

    answer choices

    element

    compound

  • Question 20
    30 seconds
    Q.

    Which of the following is an element?

    answer choices

    chex mix

    carbon

    carbon dioxide

    salt water

  • Question 21
    30 seconds
    Q. What type of substance is gold?
    answer choices
    homogeneous mixture
    heterogeneous mixture
    compound
    element
  • Question 22
    60 seconds
    Q.

    Which of the following represents an element?

    answer choices

    H2O

    H

    NaCl

    CaCO3

  • Question 23
    30 seconds
    Q. A combination of substances that are not chemically combined is called a(n)____________. 
    answer choices
    mixture
    compound
    physical
  • Question 24
    30 seconds
    Q. These contain only one kind of atom. 
    answer choices
    element 
    compound 
    mixture 
    water 
  • Question 25
    30 seconds
    Q.

    Is table sugar (C12H22O11) an element or a compound?

    answer choices

    Element

    Compound

  • Question 26
    30 seconds
    Q.

    Two or more elements bonded together are:

    answer choices

    a mixture

    a substance

    an atom

    a compound

  • Question 27
    30 seconds
    Q. Which of the following is a compound?
    answer choices
    Carbon Dioxide
    Pizza
    Gold
  • Question 28
    20 seconds
    Q.

    HYDROGEN

    answer choices

    H

    He

    Hn

    Hd

  • Question 29
    20 seconds
    Q.

    OXYGEN

    answer choices

    O

    Fe

    Oq

    Ou

  • Question 30
    30 seconds
    Q. The smallest part of an element is
    answer choices
    proton
    atom
    compound
    mixture
  • Question 31
    30 seconds
    Q. Which particle has a positive charge?
    answer choices
    electron
    orbital
    proton
    neutron
  • Question 32
    30 seconds
    Q. Choose the particle that has no charge.
    answer choices
    nucleus
    neutron
    proton
    electron
  • Question 33
    30 seconds
    Q. This particle determines what element you have - the elements identity.
    answer choices
    electron
    proton
    neutron
    valence shell
  • Question 34
    30 seconds
    Q. What is the mass of a proton and a neutron?
    answer choices
    1amu
    2grams
    13amu
    10cm
  • Question 35
    30 seconds
    Q. This causes the mass of the nucleus to increase.
    answer choices
    adding an electron
    adding a neutron
    more orbitals
    adding negatively charged particles
  • Question 36
    30 seconds
    Q. An electron has a _____ charge.
    answer choices
    negative
    positive
    neutral
  • Question 37
    30 seconds
    Q. Describe an Electron Cloud?
    answer choices
    the mist outside of an atom
    home of the protons
    where electrons are located
    nucleus
  • Question 38
    30 seconds
    Q. Which particles make up the nucleus of an atom?
    answer choices
    protons and neutrons
    electrons and protons
    electrons, protons, and neutrons
    electrons and neutrons
  • Question 39
    30 seconds
    Q. The subatomic particle that determines the identity of an element.
    answer choices
    neutron
    proton
    electron
    outer shell
  • Question 40
    30 seconds
    Q. What charge does the nucleus have and why?
    answer choices
    positive - the neutrons do not have a charge
    positive - the neutrons and protons are positively charged particles
    neutral - the neutral charge dominates the positive charge
    neutral - electrons cancel out the positive charge of the atom
  • Question 41
    30 seconds
    Q. What is the mass number and name of an element with 8 protons and 8 neutrons?
    answer choices
    16 - Carbon
    16 - Oxygen
    24 - Oxygen
    8 - Neon
  • Question 42
    30 seconds
    Q. An element with a mass number of 10 and an atomic number of 6 has how many protons?
    answer choices
    5
    8
    6
    10
  • Question 43
    30 seconds
    Q. An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
    answer choices
    11
    5
    6
    16
  • Question 44
    30 seconds
    Q. An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
    answer choices
    20
    10
    5
    25
  • Question 45
    30 seconds
    Q.

    What is the simplest form of matter that retains an elements chemical identity?

    answer choices

    neutron

    atom

    electron

    quarks

  • Question 46
    30 seconds
    Q. An atom has 13 protons, 15 neutrons and ___ electrons what is its mass number?
    answer choices
    13
    26
    28
    15
  • Question 47
    30 seconds
    Q. Most of the mass of an atom is contained here.
    answer choices
    electron orbitals 
    nucleus
    shells
    atomic #
  • Question 48
    30 seconds
    Q. What is the number that gives you the element and the number of protons contained in each elemental atom?
    answer choices
    atomic mass
    mass number
    symbol
    atomic #
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