density at 298 k: 0.00008988 g/cm 3 melting point: 14.01 k boiling point: 20.28 k conductivity:...

density at 298 K: 0.00008988 g/cm3

melting point: 14.01 Kboiling point: 20.28 Kconductivity: 0.1805 Wm-1K-1

reacts explosively with air (if sparked)forms HCl combining power: 1

colorless gasnonmetal Hydrogen, H

atomic mass: 1.00

density at 298 K: 0.0001785 g/cm3


reactivity: inertexample compound:combining power:

description: colorless gasnonmetal Helium, He

atomic mass: 4.00

density at 298 K: 0.0008999 g/cm3

melting point 24.56 Kboiling point: 27.07 Kconductivity: 0.0491 Wm-1K-1

colorless gasnonmetal Neon, Ne

atomic mass: 20.20

density at 298 K: 0.0017837 g/cm3


colorless gasnonmetal Argon, Ar

atomic mass: 39.95

density at 298 K: 0.003733 g/cm3


colorless gasnonmetal Krypton, Kr

atomic mass: 83.80



colorless gasnonmetal Xenon, Xe

atomic mass: 131.29

nonreactive nonreactive

nonreactive nonreactive


melting point: 453.69 Kboiling point: 1620.00 Kconductivity: 85 Wm-1K-1

reactivity: reacts with waterforms LiCl solidcombining power: 1

silvery solidmetal Lithium, Li

atomic mass: 6.94


melting point: 370.87 Kboiling point: 1156 Kconductivity: 140 Wm-1K-1

soft, silvery solidmetal Sodium, Na

atomic mass: 22.99

reacts vigorously with waterforms NaCl solidcombining power: 1



very soft silvery solidmetal Potassium, K

atomic mass: 39.10



extremely soft, silvery solidmetal Rubidium, Rb

atomic mass: 85.47

reacts violently with waterforms KCl solidcombining power: 1

reacts explosively with waterforms RbCl solidcombining power: 1


melting point: 1560 Kboiling point: 2742 Kconductivity: 190 Wm-1K-1

does not react with waterforms BeCl2 solidcombining power: 2

hard, lead-gray solidmetal Beryllium, Be

atomic mass: 9.01



moderately hard, silvery-white solidmetal Magnesium, Mg

atomic mass: 24.31

reacts very slowly with waterforms MgCl2 solidcombining power: 2



moderately hard, silvery-white solidmetal Calcium, Ca

atomic mass: 40.08



moderately soft, silvery-white solidmetal Strontium, Sr

atomic mass: 87.62

reacts slowly with waterforms CaCl2 solidcombining power: 2

reacts vigorously with waterforms SrCl2 solidcombining power: 2



does not react with oxygen in airforms BCl3 solidcombining power: 3

hard, black solidmetalloid Boron, B

atomic mass: 10.81



moderately hard, silvery solidmetal Aluminum, Al

atomic mass: 26.98

does not react with oxygen in airforms AlCl3 solidcombining power: 3



moderately soft, silvery-white solidmetal Gallium, Ga

atomic mass: 69.72



moderately soft, silvery-lustrous gray solidmetal Indium, In

atomic mass: 114.81

does not react with oxygen in airforms GaCl3 solidcombining power: 3

reacts very slowly with oxygen in airforms InCl3 solidcombining power: 3



(of metalloid form)

does not react with oxygen in airforms CH4 gascombining power: 4

hard, clear colorless solid (diamond)Nonmetalor soft, black solidmetalloid

Carbon, Catomic mass: 12.01



moderately hard, greyish solidmetalloid Silicon, Si

atomic mass: 28.09

reacts very slowly with oxygen in airforms SiH4 gascombining power: 4



moderately soft, grayish-white solidmetalloid Germanium, Ge

atomic mass: 72.64



moderately soft, silvery-lustrous gray solidmetal Tin, Sn

atomic mass: 118.71

Reacts very slowly with oxygen in airforms GeH4 gascombining power: 4

reacts very slowly with oxygen in airforms SnH4 gascombining power: 4



not very reactiveforms NH3 gascombining power: 3

colorless gasnonmetal Nitrogen, N

atomic mass: 14.01


melting point: 317.3 Kboiling point: 550 Kconductivity: 0.236 Wm-1K-1

brittle, red solidnonmetal Phosphorus, P

atomic mass: 30.97

does not react with oxygen in airforms PH3 gascombining power: 3



moderately soft, steel gray solidmetalloid Arsenic, As

atomic mass: 74.92



moderately soft, silvery-lustrous gray solidmetalloid Antimony, Sb

atomic mass: 121.76

reacts very slowly with oxygen in airforms AsH3 gascombining power: 3

reacts very slowly with oxygen in airforms SbH3 gascombining power: 3



reacts very slowly with metalsforms H2O liquidcombining power: 2

colorless gasnonmetal Oxygen, O

atomic mass: 16.00



brittle, yellow solidnonmetal Sulfur, S

atomic mass: 32.07

reacts slowly with metalsforms H2S gascombining power: 2


melting point: 494 Kboiling point: 958 Kconductivity: 0.52 Wm-1K-1

moderately hard, lustrous gray solidnonmetal Selenium, Se

atomic mass: 78.96



moderately hard, silvery-lustrous grey solidmetalloid Tellurium, Te

atomic mass: 127.60

reacts very slowly with metalsforms H2Se gascombining power: 2

reacts very slowly with metalsforms H2Te gascombining power: 2



pale yellow gasnonmetal Fluorine, F

atomic mass: 19.00



yellowish-green gasnonmetal Chlorine, Cl

atomic mass: 35.45


melting point: 265.8 Kboiling point: 332 Kconductivity: 0.12 Wm-1K-1

red-brown liquidnonmetal Bromine, Br

atomic mass: 79.90



violet-dark grey lustrous solid nonmetal Iodine, I

atomic mass: 126.90

reacts with metalsforms HI gascombining power: 1

reacts vigorously with metalsforms HBr gascombining power: 1

reacts violently with metalsforms HCl gascombining power: 1

reacts explosively with metalsforms HF gascombining power: 1

density at 298 k: 0.00008988 g/cm 3 melting point: 14.01 k boiling point: 20.28 k conductivity:...

Documents