What is the number of protons in the nucleus of an atom equivalent to?

a. number of neutrons

b. atomic number

c. mass number

d. atomic weight

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN3 (s) → 2Na (s) + 3N2 (g) How many moles of N2 are produced by the decomposition of 1.25 mol of sodium azide? a) 4.32 b) 8.64 c) 1 ... e2 d) 1.

When a police officer uses radar for speed control, the officer is using what kind of eletromagnetic waves?

Definition of mitochondria

3 Ca (OH) 2 + Al2 (SO4) 3 3 CaSO4 + 2 Al (OH) 3 Type of reaction:

Which of the following is the correct equation for calculating work? work = force * distance work = force * acceleration work = force * energy work = force * weight @llmones

Modern scientists use a version of the metric system called

Which element has a larger ionic radius than calcium? a. sodium b. gallium c. magnesium d. potassium

Which solution contains the largest number of moles of chloride ions? a. 30.00 ml of 0.100m cacl2 b. 10.0 ml of 0.500m bacl2 c. 25.00 ml of 0.400m kcl d. 4.00 ml of 1.000m nacl e. 7.50 ml of 0.500m fecl3?

What is the chemical formula of titanium (II)

Not related to any subject but how do you tell someone you like them?