Periodic Table

Matter that has a uniform and definite composition

• groups

• substances

• atomic number

• chemical symbol

The simplest form of matter that has a unique set of properties

• elements

• protons

• atomic masses

• groups

The weighted average of the atomic masses of the naturally occurring isotopes of that element

• atomic mass

• substances

• atomic number

• chemical symbol

A vertical column of the periodic table

• gases

• elements

• periodic table

• groups

The arrangement of the elements in order of their atomic numbers so that elements with similar properties appear in the same vertical column or group

• groups

• periodic table

• atomic number

• substances

The number of protons in the nucleus of an atom

• protons

• chemical symbol

• atomic number

• atomic mass

A positively charged subatomic particle present in the nucleus of all atoms

• elements

• protons

• energy

• atomic mass

A one or two letter designation of an element, found on the periodic table

• elements

• atomic number

• chemical symbol

• atomic mass

The ability to do work

• energy

• applied chemistry

• substances

• elements

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

Chemistry that is directed toward a specific practical goal or application

• groups

• applied chemistry

• periodic table

• elements

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-6