Oxygen has six valence electrons. when oxygen combines with hydrogen, how many valence electrons does oxygen end up with?

Which property indicated a minerals response to ultraviolet light? A. Fluorescence B. Radioactivity C. Streak D. Luster

In acetyl CoA formation, the carbon-containing compound from glycolysis is oxidized to produce acetyl CoA. From the following compounds involved in cellular respiration, choose those that are the net inputs and net outputs of acetyl CoA formation.

If you accidentally scratch the outermost part of your eye, which part would you damage? a. cornea b. the lens c. the retina d. the pupil

Explain why the weight of an object is different on earth and on moon even though the objects mass is the same in both place.

The water molecule H2O is polar because it contains two polar single bonds and A. its molecule has a linear shape. B. molecules that contain polar bonds are always polar. C. its molecule has a bent shape. D.

Which indicator will be the same color in hydrochloric acid as it is in pure water? 1. methyl orange 2. phenolphthalein 3. bromcresol green

Based on your knowledge of energy resources conservation, which of the following statements is true? a) Manufacturers can increase a light bulb's energy efficiency by using technology that decreases the amount of electromagnetic energy the bulb

Ammonia (nh3 (g), hf = - 46.19 kj/mol) reacts with hydrogen chloride (hcl (g), hf = - 92.30 kj/mol) to form ammonium chloride (nh4cl (s), hf = - 314.4 kj/mol) according to this equation:

How does an electromagnet create a magnetic field

Magnetism, reactivity, and fluorescence are three special properties used to identify minerals. true or false