Elements and Compounds

Front

Does the chemical symbol of an element always match the element's name?

Back

Disagree

Front

Two or more different elements chemically combine to form compounds.

Back

Agree

Front

Does every compound have a chemical formula?

Back

Agree

Front

Essential for life: Elements, Compounds, or Both?

Back

Both

Front

Represented by a unique chemical symbol

Back

Elements

Front

Why is carbon dioxide considered a compound while carbon is considered an element?

Back

made of two different elements.

Front

Which of the following is the most abundant element in Earth’s crust? Options: Calcium, Iron, Oxygen, Potassium

Back

Oxygen

Front

What is the chemical symbol for magnesium?

Back

Mg

Front

How are compounds different from elements?

Back

A combination of two or more elements.

Front

Chemical symbol for Iron

Back

Fe