Luster is a characteristic of _____.

Brittleness is a characteristic of _____.

__________ are able to bend and be shaped.

_______ are bad conductors of heat and elecricity.

True or false: Metalloids have properties of both metals and nonmetals.

______ have relatively low densities.

_____ form negative ions.

_______ form positive ions

Elements that are referred to as semiconductors are considered _____.

Nitrogen (N) is considered a _____.

Magnesium (Mg) is considered a _____.

Boron (B) is considered a _____.

Krypton (Kr) is considered a _____.

Tin (Sn) is considered a _____.