Periodic Table

Front

Who invented the Periodic Table?

Back

Mendeleev

Front

The atomic number of an element tells the number of _____ in the nucleus of an atom of that element.

Back

protons

Front

Most of the mass of an atom is found in its _____

Back

nucleus

Front

Which item on this element square is the chemical symbol?

Back

Cu

Front

An element is made up of only one kind of _____

Back

atom

Front

What is the Periodic Table?

Back

A tabular arrangement of chemical elements, organized by atomic number, electron configuration, and recurring chemical properties.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom.

Front

What is a chemical symbol?

Back

A one or two-letter notation used to represent an element.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Tags

NGSS.MS-PS1-1

Front

What are periods in the Periodic Table?

Back

Horizontal rows in the Periodic Table that indicate the number of electron shells in the elements.