An atom has a charge of 1+. If the atom's nucleus contains 23 protons, the atom must have A
25 electrons.
В.
23 electrons.
с.
22 electrons.
D.
24 electrons.

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?