Atoms and the Periodic Table Review

Front

What does 12.011 represent?

Back

Atomic mass.

Front

The Modern Periodic Table of Elements is arranged by what?

Back

Atomic number.

Front

What is the chemical symbol for Sulfur?

Back

S.

Front

What does the atomic mass tell you?

Back

Basically, the number of protons and neutrons.

Front

Which subatomic particle has no charge?

Back

Neutron.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table's arrangement?

Back

Elements are arranged by increasing atomic number, which reflects their properties.

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.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

Front

What is an isotope?

Back

Atoms of the same element with the same number of protons but different numbers of neutrons.