Periodic Table After Test Video

What defines a "group" on the periodic table?

• Horizontal rows of elements

• Elements with similar atomic masses

• Vertical columns of elements

• Elements with the same number of electron shells

What is a "period" on the periodic table?

• A vertical column of elements

• A horizontal row of elements

• A classification for metals

• A classification for nonmetals

Which statement accurately describes alkali metals?

• They are found in Group 2 and are highly unreactive.

• They are soft, silvery metals found in Group 1 and are extremely reactive.

• They include hydrogen and are found in Group 1.

• They are typically found in their pure state in nature.

Where are alkaline earth metals located on the periodic table?

• In Group 1 (1A)

• In Groups 3 through 12

• In Group 2 (2A)

• Among the nonmetals

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Which of the following is a characteristic property of metals?

• They are generally brittle.

• They are poor conductors of heat and electricity.

• They are malleable and ductile.

• They are typically found on the right side of the periodic table.

What is a common property of solid nonmetals?

• They are good conductors of electricity.

• They are typically malleable.

• They tend to be brittle.

• They can be drawn into wires.

What does the term "halogen" mean, referring to the elements in Group 17?

• Gas former

• Acid former

• Salt former

• Metal former

Elements that exhibit properties intermediate between metals and nonmetals are known as:

• Noble gases

• Halogens

• Alkali metals

• Metalloids