Periodic Table

Front

What are the majority of elements in the periodic table?

Back

Metals

Front

What is the atomic number of an atom?

Back

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

Front

Which element has the atomic number 10?

Back

Neon

Front

What is the maximum number of electrons in the innermost energy level?

Back

2 electrons

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

How many valence electrons does carbon have?

Back

4 valence electrons

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements, organized by increasing atomic number.

Front

What are nonmetals?

Back

Elements that are typically poor conductors of heat and electricity and have high ionization energies.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the significance of the atomic number?

Back

It determines the identity of an element and its position in the periodic table.