8th Science 8.5DE

Front

How many elements are in C6H12O6?

Back

3

Front

How do you balance a chemical equation?

Back

By adjusting the coefficients in front of the chemical formulas.

Front

How many atoms are contained in H2SO4?

Back

7

Front

What is the law of conservation of mass?

Back

Mass cannot be created or destroyed in a chemical reaction.

Front

What do the subscripts in a chemical formula represent? (e.g., NaNO2)

Back

The number of atoms of the element in front of the subscript.

Front

What is a chemical formula?

Back

A representation of a substance using symbols for its constituent elements.

Front

What is the difference between a coefficient and a subscript in a chemical equation?

Back

A coefficient indicates the number of molecules, while a subscript indicates the number of atoms in a molecule.

Front

What is the purpose of balancing a chemical equation?

Back

To ensure that the same number of each type of atom is present on both sides of the equation.

Front

What does the term 'reactants' refer to in a chemical reaction?

Back

The substances that undergo a chemical change.

Front

What does the term 'products' refer to in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.