Chapter 5 Review

The periodic law states that there is periodic repetition of the physical and chemical properties of elements -

• when they are arranged in order of increasing atomic mass.
• if only metals are considered.
• when they are arranged in order of increasing atomic radii.
• when they are arranged in order of increasing atomic number.

The vertical columns of the periodic table are called -

• groups.
• rows.
• periods.
• transition.

Which orbital block corresponds to transition metals in the periodic table?

• s
• p
• d
• f

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The element bromine is a -

• Period 3 alkali metal.
• Period 4 halogen.
• Period 3 noble gas.
• Period 4 transition metal.

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The alkali metals do not include -

• K.
• Ca.
• Na.
• Cs.

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Which statement best explains how periods on the periodic table are organized? 

• increasing atomic number from left to right
• increasing number of neutrons from left to right
• decreasing number of electrons from left to right
• decreasing atomic mass number from left to right

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Which pair of elements has the most similar properties?

• Li and B
• I and Ca
• K and He
• N and P 

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Group 1 elements, except for hydrogen, they are reactive and usually exist as compounds with other elements.

• alkaline earth metal
• halogen
• alkali metal
• representative element

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Group 2 elements in the periodic table and are highly reactive.

• alkaline earth metal
• alkali metals
• metalloid
• transition metal

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A highly reactive group 17 element.

• halogen
• metalloid
• noble gas
• alkali metal

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