Periodic Table Review

A substance that cannot be broken down into any other substances by chemical or physical means is called _______________.

• chemistry

• element

• atom

• matter

Each element is made up of tiny particles called ______________.

• chemistry

• elements

• atoms

• matter

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

True or False: An atom consists of a nucleus surrounded by one or more electrons.

• True

• False

Tags

NGSS.MS-PS1-1

The tiny, central core of an atom is called the _______________.

• element

• electron

• nucleus

• neutron

Tags

NGSS.MS-PS1-1

What is the positive electric charge in the nucleus of an atom?

• proton

• neutron

• electron

• element

What part of the atom has no charge, neutral electric charge, located in the nucleus?

• proton

• neutron

• electron

_____________ carry a negative charge, located outside of the nucleus of the atom.

• Protons

• Neutrons

• Electrons

Tags

NGSS.MS-PS2-3

The number that identifies the element, located in the top left corner of the element box on the periodic table, is called the ______________________.

• atomic mass

• atomic number

• element name

• element symbol

The element's atomic number is equal to the number of _____________ in its nucleus.

• protons

• neutrons

• electrons

The first chemist, ____________________, stated that elements are made of small atoms and that different elements have atoms of different mass.

• Niels Bohr

• J.J. Thomson

• John Dalton

• James Chadwick