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16 terms

Characteristics of metals, nonmetals and metalloids

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Based on hardness, shininess, malleability, and ductility
metals
wide range of chemical properties
metals
High reactivity
metals
in a group with those who have similar properties
metals
high melting point (solid at room temperature)
metals
Conductors of heat
metals
high density
metals
1, 2, 3 valence electrons
metals
when metals lose an ion it becomes
positive
how many nonmetals are there
17
do non metals have high density?
no, they have low density
poor conductors of heat
nonmetals
why do nonmetals have low boiling points?
most are gases
these have some characteristics of metals and nonmetals
metalloid
semi-conducters
metalloid
valence electrons for metalloids are
3-7