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Atoms & PT

Quiz by Constance Bond

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10 questions
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  • Q1

    Each Bohr model below represents an atom of a different element. Based on this diagram, which element has the same chemical reactivity as Element 3?

    Question Image

    Element 2

    Element 5

    Element 1

    Element 4

    60s
  • Q2

    Atoms of which two elements have a combined total of 19 protons?

    Potassium, K, and Hydrogen, H

    Chlorine, Cl, and Lithium, Li

    Sodium, Na, and Carbon, C

    Sodium, Na, and Oxygen, O

    60s
  • Q3

    An atom of a certain element has 36 protons, 36 electrons and a mass number of 84. At room temperature this element is a very stable gas. How many neutrons are in this atom?

    48

    72

    36

    84

    60s
  • Q4

    A model of an atom is shown below. Based on this diagram it concluded that-

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    E has an overall negative charge and is mostly empty space

    B has about the same mass as a neutron and is neutral

    A has about the same mass as an electron and has a negative charge

    C has about the same mass as a proton but does not affect the atom's charge

    60s
  • Q5

    Magnesium (Mg), silicon (Si), and fluorine (F) are all elements found on the periodic table. Which of the statements below describes the properties of these elements?

    Magnesium conducts electricity and is malleable

    Silicon is malleable and fluorine has a metallic luster

    Silicon and magnesium are brittle

    Fluorine is a good insulator and is malleable

    60s
  • Q6

    A science class was finishing an experiment and needed to find the most reactive element from the list below. Which element is the most reactive and why?

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    Boron is the most reactive because it has 3 valence electrons.

    Oxygen is the most reactive because it has the largest mass number.

    Lithium is the most reactive because it is in Group 1.

    Oxygen is most reactive because it has the most electrons.

    60s
  • Q7

    A student is asked to identify an element that is a dull, pale-yellow, brittle solid. It has 6 valence electrons and 3 energy levels. Which number best indicates where the element is located?

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    1

    3

    4

    2

    60s
  • Q8

    Which statement best compares the physical properties of Calcium (Ca) and Arsenic (As)?

    Calcium is a good conductor and arsenic is an insulator

    Both calcium and arsenic are malleable

    Both calcium and arsenic have luster, but arsenic is brittle and calcium is malleable

    Arsenic is a dull and brittle semiconductor and calcium is a malleable, conductor

    60s
  • Q9

    Students were asked to identify the location of elements in the periodic table based on the clues printed on cards. Based on the data, which periodic table shows the correct location of the four elements?

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    60s
  • Q10

    How many protons, neutrons and electrons are in an atom of gallium, Ga, with a mass number of 158?

    127 protons, 82 neutrons, 161 electrons

    158 protons, 127 neutrons, 31 electrons

    31 protons, 127 neutrons, 161 electrons

    31 protons, 127 neutrons, 31 electrons

    60s

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