Chapter 17 Elements and Their Properties

How many electrons are in the outer energy level of noble gases?

• 1

• 2

• 18

• 8

can form ionic and covalent bonds and can have metallic and nonmetallic properties

• metals

• nonmetals

• metalloids

• actinides

Which family is found along the stairstep line?

• metals

• nonmetals

• metalloids

• Noble gases

What type of bond occurs between atoms of nonmetals?

• ionic

• covalent

• metallic

• all of the above

charged particles with more or fewer electrons than the neutral atom

• ions

• molecules

• neutrons

• atoms

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different forms of the same element with different molecular structures

• isotopes

• allotropes

• malleable

• transuranium elements

elements that conduct electric current under certain conditions

• allotropes

• semiconductors

• radioactive elements

• transuranium elements

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How many outer electrons make an element stable?

• 1

• 8

• 18

• depends on the isotope

What type of bond occurs as a result of electron sharing?

• ionic

• covalent

• metallic

• all of the above

elements having more than 92 protons

• radioactive elements

• transuranium elements

• allotropes

• isotopes