Elements in Group 2A Are Known as the _ _

question 192

Multiple Choice

Elements in Group 2A are known as the _ _.

• A) noble gases
• B) halogens
• C) chalcogens
• D) alkali metals
• E) alkaline earth metals

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Definitions:

DNA

Deoxyribonucleic Acid.

RNA

Ribonucleic acid, a nucleic acid present in living cells whose principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins.

Asexual Reproduction

Reproduction in which there is no fusion of gametes and in which the genetic makeup of parent and of offspring is usually identical. Compare with sexual reproduction.

Genetic Variation

Inherited differences among individuals.