PERIODIC TABLE OF QR CODES.

BROMINE

BROMINE

• Bromine has an atomic number of 35, its symbol is Br.
• Bromine is one of the few liquid elements, and it smells really bad.
• found in sea water, especially in the Dead Sea in high concentrates.
• it can be made by boiling Dead Sea water and adding chlorine to it.
• Bromine is as an additive, added to plastics to make them less flamable It has 2 isotropes

TUNGSTEN

TUNGSTEN

• Tungstens atomic number is 74 and its symbol is W
• Tungsten is a very heavy element.
• It is used in lightbulb filaments due to the high boiling point.
• Has highest boiling points of the elements
• Also used in the tip of ballpoint pens.

ARSENIC

ARSENIC

• Atomic number of 33 and Arsenics symbol is As
• Used as a pigment for green wallpaper in the 19th century
• This killed a lot of people.
• Also used as an additive to chicken feed in the United States
• Arsenic is also used to kill people by poisoning them.

THE END