The tendency of an element to react is closely related to?

A. its atomic mass

B. attractions between its atoms

C. the number of valences electrons in atoms of the element

D. the ratio of protons to neutrons in atoms of the element

How does density connect to the layers of the earth?

A 0.01 M aqueous NaOH solution has a hydroxide concentration of _M?

How does energy from the earth become part of out bodies?

Why are the noble gases (group 18) inert?

Convert 349.5 inches to meters

True or False: A Solar eclipse occurs when Earth casts a shadow on the Moon.

Compared to a phosphorus atom, a P3 - ion has (1) more electrons and a larger radius (2) more electrons and a smaller radius (3) fewer electrons and a larger radius (4) fewer electrons and a smaller radius

1. Crystals of ammonium chloride, NH4Cl, seem to disappear when mixed with water. The resulting clear liquid containing ammonium chloride and water is a A) compound. B) new substance. C) homogeneous mixture. D) heterogeneous mixture. 2.

During a laboratory experiment you discover that an enzyme-catalyzed reaction has a delta G of - 20 kcal/mol. If you double the amount of enzyme in the reaction, what will be the delta G for the new reaction

A liquid mixture in which particles can be seen and easily separated by settling or filtration is a a. solution. b. suspension. c. solvent. d. solute.