A substance similar to table salt, called magnesium chloride, separates into positively charged magnesium ions and negatively charged chloride ions when placed in water. If you were to look at the magnesium ions dissolved in the water, what would you see?
A) The magnesium ions would be surrounded by chloride ions.
B) The magnesium ions would be surrounded by water molecules with their hydrogen atoms facing the magnesium ions.
C) The magnesium ions would be surrounded by water molecules with their oxygen atoms facing the magnesium ions.
D) The magnesium ions would be drifting by themselves, without any water molecules nearby.
E) The magnesium ions would be covalently bonded to water molecules.
C) The magnesium ions would be surrounded by water molecules with their oxygen atoms facing the magnesium ions.
You might also like to view...
A common characteristic of Choanoflagellida is
A. a single, unique mitochondria. B. space beneath the plasma membrane. C. silica covering. D. funnel-shaped, contractile collar. E. presence of a plasmodium.
Most of the carbon on Earth is held in ____
a. sediments and rocks b. oceans c. soil d. atmosphere e. land biomass
The signs and symptoms of infection with Helicobacter pylori are the result of
A) damage to the lining of blood vessels by H. pylori. B) invasion by H. pylori into the mucosa of the large intestine. C) invasion by H. pylori into the mucosa of the stomach. D) the production of exotoxins by H. pylori in the intestines. E) the production of toxins by H. pylori in contaminated food.
One form of NGU is lymphogranuloma venereum caused by
A) Leptospira interrogans. B) Chlamydia trachomatis. C) Neisseria gonorrhoeae. D) Treponema pallidum. E) Candida albicans.