A gas occupies 2.5 L at 250 kpa. what is the the standard pressure

The mass of an atom may be determined by adding the masses of the protons and neutrons in the nucleus. Why is it unnecessary to include the electrons when determining the mass of an atom?

How do you think the crocodile might affected if it wandered near a strong magnet?

If you begin with 72 grams of Nickel, how many moles of Ni would you have?

You use what energy for cooking and Heating

AlCl3 is lewis acid. Explain how?

How many of the elements in the second row of the periodic table (li through ne) will have at least one unpaired electron in their electron configurations?

The Modern atomic model includes electrons orbiting the nucleus. WHich of the following parts of the Dalton's atomic model was disproved by the discovery of the electron?

Explain why bromine does not react with aqueous potassium chloride

Beaker A contains 2.06 mol of copper, and Barker B contains 222 grams of silver. Which beaker the larger number of atom?

How do muscles work in pairs to make parts of the body move?