What is the correct ionic charge of an atom that gained 3 electrons?

A book is falling from the top shelf of a bookcase. Which statement correctly describes the change in the energy of the book? A. The potential energy and kinetic energy remain the same. B. The potential energy decreases as kinetic energy increases.

Which factor is defined as the average kinetic energy of a substance? A. the mass of the substance B. the volume of the substance C. the pressure of the substance D. the temperature of the substance

Which of the following best states the difference between an alcohol and an ether? In an alcohol, a carbon atom is double bonded to an oxygen atom; in an ether, a carbon atom is triple bonded to another carbon atom.

Answers for cardiovascular system crossword puzzle

What's the oxidation number for Na2SO4

Blanking and Punching size:A compound die will be used to blank and punch a large washer out of 6061ST aluminum alloy sheet stock 3.80 mm thick. The outside diameter of the washer is 60.0 mm and the inside diameter is 28.0 mm.

Whats the difference between china and Europe

Iodine pentafluoride gas reacts with iodine fluoride gas producing iodine heptafluoride gas and iodine gas. What is the maximum number of grams of iodine gas that can be produced from a reaction of 10.0 g of iodine pentafluoride with 11.

What evidence of a chemical reaction might you see in dropping an Alka-Seltzer tablet into a glass of water?

State hess's law. how is it used