Atoms and the Periodic Table

Front

What are the tiny particles that make up all matter?

Back

Atoms

Front

Which element reacts similarly to chlorine (Cl)?

Back

Iodine (I)

Front

Where should the element lead (Pb) be placed on the periodic table?

Back

In space labeled 'c'.

Front

What is a noble gas?

Back

A group of gases that are very unreactive, such as argon.

Front

Which of the following are elements: hydrochloric acid, carbonic acid, oxygen, helium?

Back

Oxygen and helium.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the periodic table?

Back

A tabular arrangement of elements based on their atomic number and properties.

Front

What are metals?

Back

Elements that are typically shiny, good conductors of heat and electricity, and malleable.

Front

What are nonmetals?

Back

Elements that are usually dull, poor conductors, and brittle.

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into different substances (products).