Match the element with its description.

Match Term Definition

Sodium A) Highly reactive gas

Silicon B) Nonreactive gas

Bromine C) Has properties of both metals and nonmetals

Argon D) Malleable, soft, and shiny

Sodium - D) Malleable, soft, and shiny

Sodium is an alkalyne metals that is why they are soft and sodium can cut by knife.

Silicon - C) Has properties of both metals and nonmetals

As we know that those materials have both nonmetals and metals properties are known as metaloid.

Bromine - A) Highly reactive gas

All halogens are so reactive. Because they are high electro negative element. Bromine (Br) is a halogen element.

Argon - B) Nonreactive gas

All noble gases are stable that is why they are not reactive with ant other element. So we can say that noble gas are Nonreactive gas. Argon (Ar) is noble gas.