Worksheet Flashcards

Front

A compound is a substance made of two or more elements that are chemically combined.

Back

True

Front

A chemical formula shows which elements are in a compound and how many atoms of each.

Back

True

Front

The small number written below and to the right of an element symbol is a subscript.

Back

True

Front

If no subscript is shown, it means there is only one atom of that element.

Back

True

Front

In a model or drawing, the same atoms that repeat form an extended structure.

Back

True

Front

If no subscript is shown, it is understood that there is one atom of that element.

Back

True

Front

The number written in front of a chemical formula is called a coefficient.

Back

True

Front

In the formula 3CH₄, the 3 is a coefficient and the 4 is a subscript.

Back

True

Front

To find the total number of atoms in a compound, you multiply each subscript by its coefficient (if there's a coefficient).

Back

True

Front

Substances made of the same type of atom repeated form an extended structure (like in crystals).

Back

True