Bell 21: Investigation The Periodic Table Test Review

Front

A mystery element has 18 protons. Which one of the following statements is true about the element? the element belongs in row 2 of the periodic table and is classified as a halogen, the element belongs in row 3 of the periodic table and is classified as a noble gas, the element belongs in row 4 of the periodic table and is classified as an alkali metal, the element belongs in row 5 of the periodic table and is classified as an alkaline earth metal

Back

the element belongs in row 3 of the periodic table and is classified as a noble gas

Front

Which elements are metals based on the following properties? Element 1 is a gas at room temperature. Element 2 is a solid which conducts electricity. Element 3 is a gas with an effective nuclear charge of +7 Element 4 is malleable and can take the form of a shiny solid sheet.

Back

Elements 2 and 4

Front

Arrange the following Period 5 elements by atomic size from smallest to largest: Rb, Sr, In, Sb, Te.

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Te, Sb, In, Sr, Rb

Front

Arrange the elements Na, Li, K, Rb, and Cs in order of increasing ionization energy.

Back

Cs, Rb, K, Na, Li

Front

How many valence electrons do noble gases have, except for He?

Back

8

Front

Which list of symbols, in order from left to right, correctly completes the following passage? From the Group 6A elements shown in the diagram, the element with the largest atomic radius is _____. In Period 3, the element with the largest atomic radius is _____. In Period 3, _____ has the highest ionization energy, which in Group 6A _____ has the highest ionization energy.

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