Periodic Table Basics - Regents Chemistry
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  • Question 1
    180 seconds
    Q.

    The elements on the Periodic Table are arranged in order of increasing

    answer choices

    atomic mass

    atomic number

    oxidation number

    formula units

  • Question 2
    180 seconds
    Q.

    The elements in Group 2 are classified as

    answer choices

    metals

    metalloids

    nonmetals

    noble gases

  • Question 3
    180 seconds
    Q.

    Compared to the atoms of nonmetals in Period 3, the atoms of metals in Period 3 have

    answer choices

    fewer electron shells

    more electron shells

    more valence electrons

    fewer valence electrons

  • Question 4
    300 seconds
    Q.

    Which list of elements contains a metal, a metalloid and a nonmetal?

    answer choices

    Ag, Si, I2

    Ge, As, Ne

    K, Cu, Br2

    S, Cl2, Ar

  • Question 5
    180 seconds
    Q.

    Which property can be defined as the ability of a substance to be hammered into thin sheets?

    answer choices

    conductivity

    malleability

    melting point

    solubility

  • Question 6
    180 seconds
    Q.

    At STP, which element is a good conductor of electricity?

    answer choices

    chlorine

    iodine

    silver

    sulfur

  • Question 7
    180 seconds
    Q.

    Which elements have the most similar chemical properties?

    answer choices

    Si, As, and Te

    Mg, Sr, and Ba

    N2, O2, and F2

    Ca, Cs, and Cu

  • Question 8
    180 seconds
    Q.

    Which list represents the classification of the elements nitrogen, neon, magnesium and silicon, respectively?

    answer choices

    metal, metalloid, nonmetal, noble gas

    nonmetal, noble gas, metal, metalloid

    nonmetal, metalloid, noble gas, metal

    noble gas, metal, metalloid, nonmetal

  • Question 9
    180 seconds
    Q.

    At STP, O2(g) and O3(g) are two forms of the same element that have

    answer choices

    the same molecular structure and the same properties

    the same molecular structure and the different properties

    different molecular structure and the same properties

    different molecular structure and different properties

  • Question 10
    180 seconds
    Q.

    Which element tends not to react with other elements?

    answer choices

    helium

    hydrogen

    phosphorus

    potassium

  • Question 11
    180 seconds
    Q.

    Pure boron is chemically classified as a metalloid because boron

    answer choices

    is malleable and ductile

    is an excellent conductor or heat and electricity

    exhibits metallic and nonmetallic properteis

    none of the above

  • Question 12
    180 seconds
    Q.

    Which element is classified as a metalloid?

    answer choices

    Cr

    Cs

    Sc

    Si

  • Question 13
    180 seconds
    Q.

    Which element is a gas at STP?

    answer choices

    sulfur

    xenon

    potassium

    phosphorus

  • Question 14
    180 seconds
    Q.

    Which element is a liquid at STP?

    answer choices

    bromine

    cesium

    francium

    iodine

  • Question 15
    180 seconds
    Q.

    Which Group 15 element exists as diatomic molecules at STP?

    answer choices

    phosphorus

    nitrogen

    bismuth

    arsenic

  • Question 16
    180 seconds
    Q.

    Which element is an alkali metal?

    answer choices

    hydrogen

    calcium

    sodium

    zinc

  • Question 17
    180 seconds
    Q.

    Which element is a member of the halogen family?

    answer choices

    K

    B

    I

    S

  • Question 18
    180 seconds
    Q.

    Rubidium and cesium have similar chemical properties because, in the ground state, the atoms of both elements each have

    answer choices

    one electron in the outermost shell

    two electrons in the outermost shell

    one neutron in the nucleus

    two neutrons in the nucleus

  • Question 19
    180 seconds
    Q.

    The carbon atoms in graphite and the carbon atoms in diamond have different

    answer choices

    atomic numbers

    atomic masses

    electronegativities

    structural arrangements

  • Question 20
    180 seconds
    Q.

    Which atom in the ground state has a stable electron configuration?

    answer choices

    carbon

    magnesium

    neon

    oxygen

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