Atoms of what two types of elements would form an ionic bond?

a. two metals

b. two nonmetals

c. a metal and a nonmetal

d. two metals and two nonmetals

Do you think that the mole should be considered a base unit in the SI system?

A 5.0 gallon container contains 15.0 moles of propane gas at room temperature (20. °c). what is the pressure of the gas? (1.0 gal = 3.79 l)

In which of the following phases of matter do molecules have the highest amount of energy? A. liquid B. gel C. solid D. gas

How many protons and neutrons does lithium have?

Which planet Experiences the Weakest Gravitational forcewhen closest to sun?

A gas mixture consists of 320 mg of methane, 175 mg of argon, and 225 mg of neon. the partial pressure of neon at 300k is 8.87 kpa. calculate (i) the volume and (ii) the total pressure of the mixture.

Diffraction is when light is bent around obstructions. Which of the these observation about clouds would indicate diffraction? A) After rain storms, you can sometimes see rainbows. B) Clouds are white or gray and cannot be seen through.

In the following reaction, how many grams of ammonia (NH3) will produce 300 grams of N2? 4NH3 + 6NO → 5N2 + 6H2O The molar mass of ammonia is 17.0337 grams and that of nitrogen is 28.02 grams.

For each solute, identify the better solvent: water or carbon tetrachloride

If an element has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass?