ch4e review m

Mchem Ch4e review

I. •K Ca Br Kr Cs Mg Co

•Eight outer electrons

•React with water

•Not reactive

•Stable electron configuration

•5 energy levels

•4 energy levels

•7 outer electrons

•8 outer electrons

•Alkali metals

•Noble gas

•halogen

•K Ca Br Kr Cs Mg Co

•3 outer electrons

•1 outer electron

•2 outer electrons

•Alkaline earth metal

•Transition element

•Burns with bright light

•Soft, can be cut with a knife

•Group 18

II. •Draw a silicon (Si) atom

•Number of electrons in Si

•Number of outer electrons

•Number of energy levels

•Period

•Group

•Number of electrons in e level 2

III. •Mass of 1 mole of water – show work

•Number of moles in 36g water – show work

•Mass of 1 mole of sugar C6H12O6 – work

•Number of moles in 90g sugar – work

•Month of mole day

•Day of moleday

•# atoms in one mole

IV. •Mole day theme is

•Mole day begins at

•Mole day joke:

•When alkali metals are put in water, they make a ____(bubbles) called _______

•Alkali metals get _____ reactive as you go down the group