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Regarding the carbon family, which statement is true? (a) all carbon compounds a

ID: 681344 • Letter: R

Question

Regarding the carbon family, which statement is true? (a) all carbon compounds are considered to be organiccompounds. (b) One common carbon compound is a waste product ofphotosynthesis. (c) in nature, silicon is found in a free state and isn't anabundant element on earth. (d) The higher atomic numbers in this family areassociated with two common metals. Regarding the carbon family, which statement is true? (a) all carbon compounds are considered to be organiccompounds. (b) One common carbon compound is a waste product ofphotosynthesis. (c) in nature, silicon is found in a free state and isn't anabundant element on earth. (d) The higher atomic numbers in this family areassociated with two common metals.

Explanation / Answer

- includes a nonmetal (carbon), two metalloids (silicon andgermanium) and two metals (tin and lead)
- vary greatly in both physical and chemical properties
- occur in nature in both combined and elemental forms
- have four valence electrons
- are relatively unreactive
- tend to form covalent compounds (tin and lead also form ioniccompounds)