The process of an atom releasing energy when it moves to a lower energy state is called

regression.

emission.

absorption.

translation.

Is water going from liquid to solid a physical or chemical change and why

1. In order to make 1 salad it requires 1 head of lettuce, two tomatoes and three carrots. What would be the coefficients for the lettuce, tomatoes, and carrots assuming you wanted to make 3 salads? Write the coefficients below!

Is a bowler about to roll the ball down the alley kinetic or potential energy

The correct formula for aluminum phosphide

Use the problem below to answer the question: How many grams of H2 would be formed if 34 grams of carbon reacted with an unlimited amount of H2O? The reaction is: C + H2O → CO + H2 The equation is balanced. The starting substance is carbon, C.

As the atomic numbers of the elements in column IIA increase, the size of the atoms generally increase stay the same cannot tellus decrease varies

How does newtons law explain why a book on a desk does not move

Why do two isotopes of an element have the same atomic number but different mass numbers?

In a water solution, HCl and NaOH react to form H2O and NaCl. Radium-226 undergoes alpha decay to form radon-222. The temperature of both of these reactions is increased.

Which of these statements is true about endothermic reactions, but not about exothermic reactions? The reactants and products are different substances. The reactants have less energy than the products. The temperature of the container increases.