What is another name for a compound known as a salt?

a) covalent compound

b) ionic compound

c) element

d) salt

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?