Elements #11-20

Front

What is the atomic number of magnesium?

Back

12

Front

What is the chemical symbol for silicon?

Back

Si

Front

What is the atomic number of sodium?

Back

11

Front

What is the chemical symbol for aluminum?

Back

Al

Front

What is the atomic number of argon?

Back

18

Front

What is the common use of magnesium in industry?

Back

Used in alloys and as a reducing agent in the production of titanium.

Front

What is the state of silicon at room temperature?

Back

Solid

Front

What is the primary use of sodium in the human body?

Back

Regulating fluid balance and nerve function.

Front

What is the most common isotope of aluminum?

Back

Al-27

Front

What are the properties of argon that make it useful in welding?

Back

Inert gas, prevents oxidation of metals.