Periodic Table - v2

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 are non-metals?

Back

Non-metals are materials that are not able to conduct heat or electricity and have little to no metallic luster.

Front

What is a neutron?

Back

A neutron is a small particle in the nucleus of an atom, with no electrical charge.

Front

What is a proton?

Back

A proton is a subatomic particle that has a positive charge and is found in the nucleus of an atom.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell (main energy level) of an atom that are involved in forming bonds.

Front

What is an electron?

Back

An electron is a subatomic particle that has a negative charge and orbits the nucleus of an atom.

Front

What is the difference between atomic mass and atomic number?

Back

Atomic mass is the weighted average mass of an element's isotopes, while atomic number is the number of protons in the nucleus.

Front

What are noble gases?

Back

Noble gases are a group of non-metals that are colorless, odorless, and inert under standard conditions.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of elements organized by increasing atomic number and grouped by similar properties.

Front

What are alkali metals?

Back

Alkali metals are highly reactive metals found in Group 1 of the periodic table.