Humans evolved in the eocene period

How many protons and neutrons in the atom K-42

What is the difference between an element and a molecule

The Quantum Mechanical Model is used to describe: the energy and most likely location of an electron the energy and the most likely location of an atom the location of the electron only the energy of the atom only

Which equation is set up correctly to determine the volume of a 3.2 mole sample of oxygen gas at 50°C and 101.325 kPa? A V = (3.2 mol) (8.314 L⋅kPa/K⋅mol) (323 K) 101.325 kPa B V = (3.2 mol) (8.314 L⋅kPa/K⋅mol) (50∘C) 1 atm C V = (8.

Which statement best describes the collision of gas particles according to kinetic molecular theory

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda