An ion of calcium has a + 2 charge, and an ion of chlorine has a - 1 charge.

How many chlorine ions are needed to create a stable ionic compound with an ion of calcium?

What is the valence of oxygen?

Animals that change greatly as they mature are said to undergo.

Select the correct answer. in a family, the father is affected by a genetic disorder. The son in the family has the same disease, but the daughters do not have it. What type of inheritance is this? A. Y-linked B. X-linked C. Polygenic D. Codominant

Genes are instructions written in code from:

What happens to a sedimentary rock after it evaporates with water? What would it turn into? A) sedimentary rock B) metamorphic rock C) igneous rock D) sediment

Pre-mRNA is capped, polyadenylated, and spliced before being exported from the nucleus. a. True b. False

Describe three examples of materials that have resulted from a lack of decomposer activity

About how much moisture can air hold at 20°?

What does "intron" stand for?

Process of nitrogen fixation