How can you classify matter

How much heavier is an alpha particle than an electron?

Science is 2 things. Describe what those 2 things are

How can you express the concentration of hydrogen and hydronium ions in a solution?

Consider the gas-phase reaction, 2 so2 + o2 2 so3, for which kp = 2 at a given temperature. If the mixture is analyzed and found to contain 2.2 bar of so2, 1.6 bar of o2 and 3.4 bar of so3, describe the situation:

Which statement best describes the behavior of particles in a solid? A. They don't move very much and do not change position. B. They crash into each other and bounce all around. C. They move very quickly and across great distances. D.

Which of the following has the greatest first ionization engergy li, be, b or c

If we know that 10.0 cm3 of ice has a mass of 9.19 g what is the density of ice

1. The is the particle in the nucleus of the atom that carries a positive charge and is counted to identify the atomic number. What's the answer

How many grams are there in 5.00 moles of lead Pb?

A large body in space that orbits a star and does not produce light of its own