Periodic Table & Trends

Front

What are the atoms along the staircase in the periodic table called?

Back

Metalloids

Front

Which group of the periodic table is composed of inert (not reactive) gases?

Back

Noble gases

Front

What is electronegativity?

Back

The ability of an atom to attract/accept electrons.

Front

How is the Modern Periodic Table of Elements arranged?

Back

By atomic number.

Front

How many valence electrons are in an atom of Argon (Ar)?

Back

8

Front

What are alkali metals?

Back

The group of elements in Group 1 of the periodic table, known for being highly reactive.

Front

What are alkaline earth metals?

Back

The group of elements in Group 2 of the periodic table, known for having two valence electrons.

Front

What are halogens?

Back

The group of elements in Group 17 of the periodic table, known for being very reactive nonmetals.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the significance of valence electrons?

Back

They determine an atom's chemical properties and its ability to bond with other atoms.