Quiz 2 Atoms and Elements

Karen Timberlake

Answer the questions below and then click "submit" to send your answers.

  1. What are the correct symbols for the elements (1)chlorine and (2)iron?

    2. Your answer:
    (1) C and (2) Ir
    (1) Cl and (2) Fe
    (1) Cl and (2) Ir
    (1) Cl and (2) F

  2. What are the correct names of the elements with the symbols (1)Na and (2)Ca?

    3. Your answer:
    (1) nitrogen and (2) chlorine
    (1) sodium and (2) carbon
    (1) nitrogen (2) copper
    (1) sodium and (2) calcium

  3. The name of the element in Period 3 and Group 4 is

    4. Your answer:
    phosphorus
    silicon
    nitrogen
    gallium

  4. What is the name of the group (family) that includes the elements magnesium, calcium, and barium?

    5. Your answer:
    halogens
    nobel gases
    alkali metals
    alkaline earth metals

  5. The element sulfur is most likely to

    6. Your answer:
    conduct heat and electricity
    be shiny
    have a dull appearance
    melt at a high temperature

  6. The nucleus of an atom contains

    7. Your answer:
    protons only
    neutrons only
    electrons only
    protons and neutrons

  7. How many protons and neutrons are in an atom of iron that has a mass number of 55?

    8. Your answer:
    26 protons and 55 neutrons
    26 protons and 29 neutrons
    29 protons and 26 neutrons
    26 protons and 26 neutrons

  8. What is the mass number of an atom of tin that has 70 neutrons?

    9. Your answer:
    118.7
    70
    119
    120

  9. What is the electron arrangement for potassium?

    10. Your answer:
    2-8-5
    2-8-8-1
    2-8-6-1
    2-1

  10. An element that makes up our teeth and bones has an electron arrangement of 2-8-5. What is the name of the element?

    11. Your answer:
    magnesium
    phosphorus
    nitrogen
    silicon

  11. An element with the electron arrangement of 2-8-8 would be

    12. Your answer:
    an alkali metal
    an alkaline earth metal
    a halogen
    a noble gas

  12. How many electrons are in the outer electron level of the halogen?

    13. Your answer:
    2
    5
    1
    7

  13. An isotope has a mass number of 74 and contains 42 neutrons. What is the group number of that element?

    14. Your answer:
    4
    5
    2
    3

  14. In which of the following pairs are both elements halogens?

    15. Your answer:
    bromine and iodine
    oxygen and iodine
    fluorine and neon
    helium and neon

  15. What is the group and period number for the element with an electron configuration of 2-8-6?

    16. Your answer:
    Period 2, Group 8
    Period 3, Group 6
    Period 3, Group 8
    Period 2, Group 6

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