Flashcard on Chemical Elements

Front

What is a characteristic of metals on the periodic table?

Back

Metals are found on the left side of the periodic table.

Front

What separates metals from nonmetals on the periodic table?

Back

A zigzag line separates metals from nonmetals.

Front

What is the correct formula for common salt?

Back

The correct formula for common salt is NaCl.

Front

Which element is not a halogen?

Back

Helium is not a halogen.

Front

Which of the following is a transition metal?

Back

Iron is a transition metal.

Front

What are the three main categories of elements on the periodic table?

Back

The three main categories are metals, nonmetals, and metalloids.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is a chemical symbol?

Back

A chemical symbol is a one or two-letter abbreviation for an element.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number and properties, helping to predict their behavior.