The element carbon exists in several different forms. pure carbon can be found in the form of diamonds, coal, and the graphite in your pencil. which statement concerning carbon is false

a) all carbon atoms have 6 protons.
b) all carbon atoms have 6 neutrons.
c) all carbon atoms have 6 electrons.
d) all carbon atoms have an atomic number of 6.

In an energy pyramid, which level has the most available energy?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.