PERIODIC TABLE

Front

What does the symbol 'C' represent in the periodic table?

Back

Chemical symbol

Front

In which period is the element Plutonium (Pu) found?

Back

7

Front

What period does Lead (Pb) belong to?

Back

6

Front

What does atomic mass indicate?

Back

Basically, the number of protons plus neutrons

Front

What does the atomic number of an element represent?

Back

The number of protons in the nucleus of an atom of that element.

Front

What is the atomic mass unit (amu)?

Back

A unit of mass used to express atomic and molecular weights.

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 are the main categories of elements in the periodic table?

Back

Metals, Nonmetals, and Metalloids.

Front

What is a group in the periodic table?

Back

A vertical column of elements that share similar chemical properties.

Front

What is a period in the periodic table?

Back

A horizontal row of elements that have the same number of electron shells.