Download - Mrs. LaRosa Some images are from 2008
Mrs. LaRosa
Some images are from www.chem4kids.com
www.middleschoolscience.com 2008
Periods 1)____________________________
2)_____________________________________
_____________________________
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1
2
3
4
5
6
7
Groups or Families
•Each column is called a 3)_______________
•Each element in a group has the 4)__________ number of electrons in their outer orbital, also known as 5)_________ ________ or 6)____________.
Except for He, it has 2 electrons
•The electrons in the outer shell are called 7)”_____________ electrons”
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Families on the Periodic TableElements on the periodic table can be
grouped into families bases on their 8)________________properties.
Each family has a 9)______________ _____________to differentiate it from the other families in the periodic table.
Elements in each family 10)___________ differently
with other elements.
ALKALI METALSGroup 1Hydrogen is (11)________ a member,
it is a (12)_________________(13)_____ electron in the outer shellSoft and silvery metals(14)__________ reactive, esp. with
waterConduct electricity
Image: http://www.learner.org/interactives/periodic/groups2.html
ALKALINE EARTH METALSGroup 215)_______electrons
in the outer shellWhite and
malleableReactive, but
16)______________ than Alkali metalsConduct electricity
TRANSITION METALSGroups in the middle
17)_______ conductors of heat and electricity.
Some are used for jewelry.
The transition metals are able to put up to (18)______ electrons in their second to last shell.
Can bond with many elements in a variety of shapes.
BORON FAMILY Group 319)_____electrons
in the outer shell
Most are 20)______________
Boron is a
21)_______________
Rare Earth MetalsSome are
22)____________
The rare earths are silver, silvery-white, or gray metals.
Conduct electricity
CARBON FAMILY Group 423)_______electron
s in the outer shell
Contains metals, metalloids, and a non-metal 24)____________ (C)
NITROGEN FAMILY Group 525)______ electrons
in the outer shell
Can 26)_____________ electrons to form compounds
Contains metals, metalloids, and non-metals
OXYGEN FAMILY Group 627)____
electrons in the outer shell
Contains metals, metalloids, and non-metals
28)_____________
Halogens Group 729)____ electrons
in the outer shell
All are 30)______________
31)______ reactive are often bonded with elements from 32)____________
Noble GasesGroup 8Exist as 33)________
Non-metals
34)____ electrons in the outer shell =35) _________
Helium (He) has only36) ______ electrons in
the outer shell = 38)________
39)_______ reactive with other elements
Determine the number of shells and the number of valence electrons for:
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Determine the number of shells and the number of valence electrons for:
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