Test Flashcards
Alkail metals physical properties
Solids
Shiny silvery
Colour
Soft metals
Alkali metals common chemical properties
React with water to produce hydrogen gas
Extremely reactive
Alkaline earth metals physical properties
Solids
Metals
More dense than group 1
Alkali earth metals
Common chemical properties
Very reactive
found in nature only as compounds
Lose 2 electrons form plus 2 ions
Halogens
Physical
Nonmetals
F- yellow gas
Halogens
Chemical
Extremely reactive
Gains 1 electron to form -1 ions
Noble gases physical
Non metals odourless,colourless,tasteless
Noble gases chemical
Very stable
Do not gain or lose electrons
Best conductor of electricity
Metals
Non metals have a
Dull luster
Non metals are
Insulators
Metalloids have physical properties of
Both metals and non metals
Energy levels
2,8,8,18
Lewis dot diagram
North South East West
Second number in group
Parts of an atom
Electrons, Neutrons, and Protons
Electron
Negative charge
Neutron
Neutral