24. complete the table about element properties. | | metals | nonmetals | metalloids | |--|--|--|--| | properties | 1.
2.
3. | 1.
2.
3. | 1.
2. | | 3 examples | | | |

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# Brief Explanations: Metals are good conductors of heat and electricity, have a luster, and are malleable and ductile. Examples include iron, copper, aluminum. Non - metals are poor conductors of heat and electricity, are often brittle, and lack luster. Examples are oxygen, nitrogen, carbon. Metalloids have properties intermediate between metals and non - metals, such as being semiconductors. Examples are silicon, germanium, boron. # Answer: | | Metals | Nonmetals | Metalloids | |--|--|--|--| | Properties | 1. Good conductors of heat and electricity
2. Have a luster
3. Malleable and ductile | 1. Poor conductors of heat and electricity
2. Often brittle
3. Lack luster | 1. Semiconductors
2. Intermediate properties
3. Some luster | | 3 examples | Iron, Copper, Aluminum | Oxygen, Nitrogen, Carbon | Silicon, Germanium, Boron |

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