Which of the following is an example of a nonmetallic mineral?
a. sulfur
b. lead
c. aluminum
d. gold

The correct answer is:

a. sulfur

nonmetallic mineral is basically something that is not of a metallic quality.

Explanation:

Nonmetallic minerals are a special group of chemical elements from which no further product can be produced if they are blended. Nonmetallic minerals are, for example, sand, gravel, limestone, clay, and marble. Such materials lack metallic characteristics like great electric and thermic conductivity, brilliance, rigor, and malleability; they are, though, required for many industries.

- calcium has greater affinity to bond with electron receptors than hydrogen does and hence, it has the ability to replace hydrogen in most of its compounds.

- lithium has 2 valence electrons in the product because it can make only 1 bond with hydrogen. beryllium has 4 valence electrons in the product because it can only make 2 bonds. it has fewer electrons than neon and can react with electron donors. each hydrogen has 2 valence electrons, the same as helium.

- the covalent bond formed between carbon and hydrogen is polar because carbon is more electronegative than hydrogen and it attracts the bonded electron pair closer to itself, thus giving hydrogen a partial positive charge.

- a hydrogen bond is a relatively weak bond that hydrogen atoms make with the electronegative atoms nitrogen, oxygen or fluorine.

so the best choice is a.) 2 calcium (ca) atoms