Science 2023 7th Flashcards
1
Q
Chemical Formula
A
A combination of chemical symbols and numbers that is used to represent a single unit of a substance
2
Q
Chemical Equation
A
Use of chemical formulas to model what happens in a chemical reaction
3
Q
Law of Conservation of Matter
A
Matter cannot be created or destroyed in ordinary chemical or physical changes
4
Q
Law of Conservation Of Matter 2
A
Balanced chemical equations model the conservation of matter