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Classify each of the following substances as an element, compound, or a mixture: 1. Pure Silver

• element

• compound

• mixture

Classify each of the following substances as an element, compound, or a mixture: 2. Pure Water

• element

• compound

• mixture

Classify each of the following substances as an element, compound, or a mixture: 3. Salt Water

• element

• compound

• mixture

Classify each of the following substances as an element, compound, or a mixture: 4. Butane

• element

• compound

• mixture

A ___________ is a positively charged ion formed by the removal of one or more electrons from the valence shell of a neutral atom

A ________ is a negatively charged ion formed by the addition of one or more electrons to a neutral atom.

Match: the chemical name to the chemical formula for the following compounds: 1. Lead (ii) nitrate

• PbN_{3 (s)}

• Pb(NO) (s)

• Pb(NO₂) (s)

• Pb(NO₃)_{2 (s)}

Match: the chemical name to the chemical formula for the following compounds: 2. Carbon tetrachloride

• C₄Cl

• 4C(Cl)

• CCl₄

• C₄Cl₄

Determine which chemical family does each of these following elements belong: 1. Mg

• halogen family

• alkaline earth metal family

• alkali metals family

• noble gases family

Determine which chemical family does each of these following elements belong: 2. Cl

• halogen family

• alkaline earth metal family

• alkali metals family

• noble gases family