Warm-up February 7 1. Identify the following elements as a metal, non-metal, or a metalloid. Hydrogen Copper Sodium Arsenic Helium Boron 2. In your own words tell me how you would describe to a third grader where the metals, non-metals, and metalloids are located on the periodic table.

10 NEED TO KNOW- QUIZ NEXT FRIDAY!! water (H2O) carbon dioxide (CO2) sucrose (C12H22O11) table salt (NaCl) oxygen (O2) household bleach (NaClO) hydrochloric acid (HCl) ammonia (NH3) baking soda (NaHCO3) vinegar 5% solution (HC2H3O2)

LETS REFLECT ON OUR BENCHMARK Good News or bad news? Problems you had? What can we do to fix this?

Coloring the Periodic Table Families Get out your Periodic Tables!! 

Families on the Periodic Table Elements on the periodic table can be grouped into families bases on their chemical properties. Each family has a specific name to differentiate it from the other families in the periodic table. Elements in each family react differently with other elements.

ALKALI METALS Group 1 Hydrogen is not a member, it is a non-metal 1 electron in the outer shell Soft and silvery metals Very reactive, esp. with water Conduct electricity Image: http://www.learner.org/interactives/periodic/groups2.html

ALKALINE EARTH METALS Group 2 2 electrons in the outer shell White and malleable Reactive, but less than Alkali metals Conduct electricity

Feb. 10, 2013 Use your Periodic table to name these elements: Group 14, Period 2 Group 11, period 4 Group 2, Period 2 Group 17, Period 3 Group 18, Period 1 Group 14, Period 2 – Carbon Group 11, Period 4 – Copper Group 2, Period 2 – Beryllium Group 17, Period 3 – Chlorine Group 1, Period 18 - Helium

A trick to remember Friday we talked about reactivity and charges (HONC) If that confused you maybe this will help The elements on the periodic table have to add up to 18 to be stable (Use group numbers). Group 18 is already stable  Doesn’t need or want anyone Ex. NaCl= 1+17= 18  H2O= 1+1+16= 18 

Today Pop-quiz Review Benchmark Add to periodic table families. Reminder: Quiz Friday on 10 need to know!! (You wrote these on Friday)

Pop Quiz You will draw a number. That is the number you have to solve for. Solve for each number below and turn in with your slip and sheet. You may use a periodic table. 1. Give me the Element Symbol 2. Give me the Element Name 3. Atomic Number 4. Atomic Mass 5. # of Protons 6. # of Electrons 7. # Neutrons

Review Benchmark Scores on Board Scores individually Go over most missed first Congrats: 3 questions no one missed in our class Only 3 questions were less than 70% of you got right Mastery on ecosystems  The school average was a 55% The county average so far is a 56%

TRANSITION METALS Groups in the middle Good conductors of heat and electricity. Some are used for jewelry. The transition metals are able to put up to 32 electrons in their second to last shell. Can bond with many elements in a variety of shapes.

BORON FAMILY Group 3 3 electrons in the outer shell Most are metals Boron is a metalloid

CARBON FAMILY Group 4 4 electrons in the outer shell Contains metals, metalloids, and a non-metal Carbon (C)

NITROGEN FAMILY Group 5 5 electrons in the outer shell Can share electrons to form compounds Contains metals, metalloids, and non-metals

OXYGEN FAMILY Group 6 6 electrons in the outer shell Contains metals, metalloids, and non-metals Reactive

Halogens Group 7 7 electrons in the outer shell All are non-metals Very reactive are often bonded with elements from Group 1

Noble Gases Group 8 Exist as gases Non-metals 8 electrons in the outer shell = Full Not reactive with other elements

Rare Earth Metals Some are Radioactive The rare earths are silver, silvery-white, or gray metals. Conduct electricity