The Periodic Table & Periodic Trends

7) Each period on the periodic table corresponds to

• a) an energy level

• b) a sublevel

• c) atomic mass

• d) atomic number

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6) Elements in a group on the periodic table can be expected to have similar

• a) atomic masses

• b) number of neutrons

• c) properties

• d) atomic numbers

2) Mendeleev predicted that spaces left in his periodic table represented

• a) isotopes

• b) radioactive elements

• c) undiscovered elements

• d) noble gases

3) Based on evidence collected since Mendeleev's time, elements on the modern periodic table are arranged in order of

• a) mass number

• b) group number

• c) average atomic mass

• d) atomic number

8) The horizontal rows on the periodic table are called

• a) groups

• b) families

• c) an octet

5) What periodic group includes argon, krypton, and xenon?

• a) noble gases

• b) halogens

• c) alkaline earth metals

• d) actinides

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4) The periodic law states that the physical and chemical properties of elements are periodic functions of their

• a) atomic masses

• b) atomic numbers

15) What element am I? period 4, group 4

• a) titanium

• b) scandium

• c) zirconium

• d) vanadium

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10) The electron configuration for phosphorus is [Ne]3s²3p³. Phosphorus is in period

• a) 2

• b) 3

• c) 5

• d) 15

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9) Calcium (Ca) and arsenic (As) belong to which of the following?

• a) Group 17

• b) Period 4

• c) Group 2

• d) Period 3

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