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Zinc is a metal that is used to make batteries and musical instruments. The chemical formula for zinc is Zn.
Complete the statement.
Zinc is ________ .
Carbon dioxide is the gas that forms the bubbles in soft drinks and sparkling water. The chemical formula for carbon dioxide is CO2.
Complete the statement.
Carbon dioxide is a ________ .
Glucose is a type of sugar and an energy source for organisms. The chemical formula for glucose is C6H12O6.
Complete the statement.
Glucose is ________ .
Silicon is used to make computer chips. The chemical formula for silicon is Si.
Complete the statement.
Silicon is ________ .
Krypton is one of the rarest gases found in Earth's atmosphere. The chemical formula for krypton is Kr.
Complete the statement.
Krypton is ________ .
Silicon dioxide occurs naturally in the mineral quartz, which makes up many of the particles in sand. The chemical formula for silicon dioxide is SiO2.
Complete the statement.
Silicon dioxide is ________ .
Benzene is a chemical used to make plastic and styrofoam. The chemical formula for benzene is C6H6.
Complete the statement.
Benzene is ________ .
Cobalt is a metal found in substances that make paint blue. The chemical formula for cobalt is Co.
Complete the statement.
Cobalt is ________ .
Potassium nitrate can be combined with fuels to make powerful explosions. So, it is often used in gunpowder and fireworks. The chemical formula for potassium nitrate is KNO3.
Complete the statement.
Potassium nitrate is ________ .
Tin is a metal used to make cans that hold food. The chemical formula for tin is Sn.
Complete the statement.
Tin is _________ .