Question

When you balance a chemical reaction, you are making sure that the law of conservation of matter is obeyed.
True/
False

Answer 1

True

Answer 2

Though energy can change forms, the total amount of energy in the universe remains constant.
True
False

Answer 3

True

Answer 4

true

Answer 5

medal plz lmao

Answer 6

An isotope's mass number is the number of
protons and electrons
protons only
neutrons only
protons and neutrons
.

Answer 7

nvm

Answer 8

Protons and Neutrons