Potassium-40 (40k) is a radioactive isotope of potassium (atomic number 19). how many neutrons are located in the nucleus of potassium-40?

Greg owns a clothing store where he designs T-shirts, t, and pairs of shorts, S. He sells the T-shirts for $6 each and the shorts for $14. Greg can work 18 hours a day, at most.

When elements chemically combine with each other, what do they form?

In an eclectic car, the is like the gas

The entropy of a sample of H2O increases as the sample changes from a (1) gas to a liquid (3) liquid to a gas (2) gas to a solid (4) liquid to a solid

2Nacl+2Agno3 = Agcl + Nano3 balance it

What happens when electrons are passed from one atom to a more electronegative atom?

Calculate the k sp for zinc hydroxide if the solubility of zn (oh) 2 in pure water is 2.1 * 10-4 g/l. calculate the k sp for zinc hydroxide if the solubility of zn (oh) 2 in pure water is 2.1 * 10-4 g/l. 2.9 * 10-3 1.5 * 10-3 9.9 * 10-18 3.8 * 10-17

What is the importance of the coefficients in a balanced chemical reaction?

The process that changes the identity and number of protons in a nucleus is

Which best describes the process of igneous rock formation?