Periodic Table Elements

Silver

• Ag-47

• Ag-79

• Au-47

• Au-79

Tags

NGSS.MS-PS1-1

Gold

• Ag-79

• Au-79

• Ag-47

• Au-47

Pb-82

• Potassium

• Copper

• Lead

• Sodium

Tags

NGSS.MS-PS1-1

The Periodic Table of Elements is a list of over __________ elements, organized by their properties and compositions.

• 100

• 75

• 200

• 50

Tags

NGSS.MS-PS1-1

On the PTE, the groups are the verticle columns that tell you the number of _____________ ____________ in an element.

• electron shells

• electron orbitals

• atomic numbers

• valence electrons

On the PTE, the periods are the horizontal columns that tell you the number of _____________ ____________ in an element.

• negative protons

• electron orbitals/shells

• atomic numbers

• valence electrons

Lithium is in the 2nd PERIOD so it has _______ electron orbitals (shells).

• 1

• 2

• 3

• 4

Hydrogen is in the 1st GROUP so it has ________ valence electrons.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Magnesium is in the 3nd PERIOD so it has _______ orbitals.

• 1

• 2

• 3

• 4

Boron is in the 13th group so it has _________ valence electrons.

• 16

• 6

• 8

• 3

Tags

NGSS.MS-PS1-1