How many types of atom make up a particle of water

If a student analyzes data and finds that they got 0.480 moles of an unknown metal and 0.240 moles of oxygen, what is the mole ratio of metal to oxygen?

Which of the following always occurs in a chemical reaction? A) a gas is given off. B) a solid is produced, C) a new substance is produced. D) a colour change takes place.

What makes each type of atom different

Write an equilibrium equation that shows bisulfate acting as a weak acid in water.

What is the correcr sum of Cl2+KBr=Br2+KCl

Water learned in science class that different substances release heat at different rates. He decides to test this. At home, Walter turns the oven to 200°F.

List all of the species that would have a net attraction to the positive charge: CH4, CH2Cl2, H3O+, H2O, C2H2Cl2, CO2, N3-,

if the units cancel and you are left with only the desired units for the problem, all the rations were set up correctly. True or false?

How many valence electrons are in c4h6br2?

Calculate the empirical formula from the given percent compositions. 82% nitrogen (N), 18% hydrogen (H)