Atoms and Periodic Table of Elements

The Periodic Table of Elements is (choose best answer)

• an organized chart of chemical elements.

• A period of all living things

• an organized chart of chemical elements arranged by Atomic Number.

• A, B, and C are correct.

What is the Chemical Symbol for Aluminum?

• A

• AL

• Al

• Am

What is the Atomic Number for Lithium?

• 5

• Row 1

• 8

• 3

Tags

NGSS.MS-PS1-1

The Atomic Number represents

• The Atomic Mass of an element.

• The number of protons in the nucleus.

• Can also represent the number of electrons in an element.

• Answer B and C

A Chemical Symbol identifies an element and

• The Chemical Symbol is always capitalized. If there are two letters, the second letter is lower case.

• The Chemical Symbol is always capitalized and the second letter is sometimes capitalized.

• The Chemical Symbol is the number listed on the Periodic Table of Elements.

• The Chemical Symbol varies depending on the Table.

An Atom is the smallest particle of an Element, and is made up of

• tiny particles of electrons.

• protons, neutrons, and futons.

• Protons

• Protons, Neutrons, and Electrons.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Gold atoms have the Chemical Symbol

• G

• Au

• Go

• Gold atoms do not have a Chemical Symbol.

A substance that cannot be broken down into another substance is called

• An Element. An element contains one type of atom.

• A solution or mixture of particles.

• An Element. An element contains different types of atoms.

• Chemical change

Matter is made of particles to small to be seen. These particles are called

• nano particles

• black space

• atoms

• A, B, or C.

Tags

NGSS.MS-PS1-1

Who created the first Periodic Table of Elements?

• Albert Einstein

• A group of Chemists.

• Robert Wilson

• Dmitri Mendeleev

Tags

NGSS.MS-PS1-1