1. Krypton
By: Jared Strother

2. The Element Krypton Atomic Number: 36 Atomic Weight: 83.798
Melting Point: ( °C or °F)
Boiling point: K ( °C or °F)
Density: grams per cubic centimeter
Phase at Room Temperature: Gas
Element Classification: Non-metal
Period Number: 4
Group Number: 18
Group Name: Noble Gas

3. Isotopes
69Kr (43)# 32(10) ms
70Kr (41)# 52(17) ms
71Kr (70) 100(3) ms
72Kr (9) 17.16(18) s
73mKr (12) keV 107(10) ns (9/2+)
74Kr (22) 11.50(11) min 0+
75Kr (9) 4.29(17) min
76Kr (4) 14.8(1) h
77Kr (21) 74.4(6) min
78Kr (12) STABLE [>1.1E+20 a]
79Kr (4) 35.04(10) h
79mKr (5) keV 50(3) s
80Kr (16) STABLE
81Kr (21) 2.29(11)E+5 a

4. Atomic structure

5. Uses
Used in fluorescent tubes
Used in photographic flash lamps

6. Works Citied
"It's Elemental - The Element Krypton." Science Education at Jefferson Lab. Web. 08 Oct <
"Krypton." Web. 08 Oct <
"Uses of Krypton." POLYTECH School District. Web. 08 Oct <