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1.

ELEMENTS

ALEXIA WILLARD BLOCK 1
Photo by wockerjabby
2.

HELIUM

Photo by fdecomite
3.

PHYSICAL PROPERTIES OF HELIUM

  • Name is Helium
  • Symbol is He
  • Colorless
  • Odorless
  • Tasteless
Photo by rmforall@gmail.com
4.

HISTORY OF HELIUM

  • Discovered by Pierre Janssen
  • Discovered during 1868
  • Discovered in Guntur, India
Photo by NASA's Marshall Space Flight Center
5.

USES OF HELIUM

  • Balloons
  • Cooling systems
  • Pressure and surge systems
  • Welding systems
Photo by SonOfJordan
6.

CHROMIUM

Photo by Beige Alert
7.

PHYSICAL PROPERTIES OF CHROMIUM

  • Name is Chromium
  • Symbol is Cr
  • Solid
  • Steely-gray
  • Metal
Photo by DanR
8.

HISTORY OF CHROMIUM

  • Discovered by the ancient peoples
  • Discovered at least over 2,000 years ago
  • Discovered in Xi'an, China
Photo by Wessex Archaeology
9.

USES OF CHROMIUM

  • Used in medicines
  • To make stainless steel
  • Give glass a green color
Photo by gibsonsgolfer
10.

STRONTIUM

Photo by Tim Evanson
11.

PHYSICAL PROPERTIES OF STRONTIUM

  • Name is Strontium
  • Symbol is Sr
  • Solid
  • Silvery color
Photo by James St. John
12.

HISTORY OF STRONTIUM

  • Discovered by Adair Crawford
  • Discovered in 1790
  • Discovered in Scotland
Photo by Shadowgate
13.

USES OF STRONTIUM

  • Fireworks
  • Flares
  • Toothpaste
  • Cancer therapy
Photo by nixter
14.

ANTIMONY

Photo by Wolfram Burner
15.

PHYSICAL PROPERTIES OF ANTIMONY

  • Name is Antimony
  • Symbol is Sb
  • Solid
  • Tin white to steel gray
Photo by James St. John
16.

HISTORY OF ANTIMONY

  • Discovered by archeologists
  • Dating back to 3000 BC
  • Found in Telloh, Chaldea
Photo by Wessex Archaeology
17.

USES OF ANTIMONY

  • Infrared detectors
  • Hardening lead
  • Batteries
  • Small arms bullets
  • Flame retardant
Photo by AndyArmstrong

Alexia Willard