Classifying Matter: Metal, Metalloids, metalloids.

Front

What is matter composed of?

Back

Matter is composed of atoms.

Front

How is the modern periodic table of elements arranged?

Back

The modern periodic table is arranged by atomic number.

Front

Which elements are predominantly gases with low densities in the periodic table?

Back

Elements in area D are predominantly gases with low densities.

Front

What common property do argon, krypton, and xenon share?

Back

They are all poor conductors of electricity.

Front

What physical property do iron (Fe) and silicon (Si) have in common?

Back

They both have a metallic shine or luster.

Front

What are metals generally known for?

Back

Metals are generally good conductors of heat and electricity.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

What is a common characteristic of nonmetals?

Back

Nonmetals are typically poor conductors of heat and electricity.

Front

What is the state of matter for most metals at room temperature?

Back

Most metals are solid at room temperature.

Front

What is the significance of the atomic number in the periodic table?

Back

The atomic number indicates the number of protons in an atom's nucleus.