What's a member of the nitrogen family with 16 neutrons

What are at least 2 functions of DNA

What atomic or hybrid orbitals make up the pi bond between the C1 And C2 in tetrafluoroethylene, C2F4? How many sigma bonds does C1 have in C2F4? How many pi bonds does C1 have?

Do any copper isotopes have a mass of 63.546 amu?

What is a pure substance

16.0 grams of food contains 130 calories. how many grams is equivalent to 2150 calories

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?