How to find protons, neutrons, electrons of an element.

The maximum number of molecules present in 15 litres of hydrogen gas

Which substance represents a compound? (1) C (s) (3) CO (g) (2) Co (s) (4) O2 (g)

What kind of gas is the best chance for inflating a balloon that must remain inflated for a long period of time?

What is the best reason for the scientific community to accept a theory? The theory is supported by all the available observations and data. An award-winning scientist proposed the theory. The majority of the general public agrees with the theory.

What is the volume (in liters at stp) of 2.50 mil of carbon monoxide

An autoclave would often be used by which of the following scientists?"

When discussing acids and bases any substance that accepts a patron by definition is considered an

When one substance changes into one or more new substances, it has exhibited a 1. chemical change. 2. chemical reaction. 3. physical change. 4. chemical property?

americium-241 has a half-life of 430 years. how much of a 10.0g sample of americium-241 remains after 1720 years?

Disease causing bacteria need oxygen to survive. true or false