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FLASHBACK FRIDAY 2011. JANUARY 6, 2012 What type of star is our sun? 1.) White Dwarf 2.) Main Sequence 3.) Red Giant 4.) Supergiant.

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Presentation on theme: "FLASHBACK FRIDAY 2011. JANUARY 6, 2012 What type of star is our sun? 1.) White Dwarf 2.) Main Sequence 3.) Red Giant 4.) Supergiant."— Presentation transcript:

1 FLASHBACK FRIDAY 2011

2 JANUARY 6, 2012 What type of star is our sun? 1.) White Dwarf 2.) Main Sequence 3.) Red Giant 4.) Supergiant

3 JANUARY 6, 2012 Covalent bonds are formed when electrons are (1) transferred from one atom to another (2) captured by the nucleus (3) mobile within a metal (4) shared between two atoms

4 JANUARY 13, 2012

5 Which element must be present in an organic compound? (1) hydrogen (2) oxygen (3) carbon (4) nitrogen

6 JANUARY 20, 2012 The rock shown below has a foliated texture and contains the minerals amphibole, quartz, and feldspar arranged in coarse-grained bands. Which rock is shown? (1) slate (2) dunite (3) gneiss (4) quartzite

7 JANUARY 20, 2012 Element X is a solid that is brittle, lacks luster, and has six valence electrons. In which group on the Periodic Table would element X be found? (1) 1 (2) 2 (3) 15 (4) 16

8 JANUARY 27, 2012 The genetic code of a DNA molecule is determined by a specific sequence of 1.) ATP molecules 2.) sugar molecules 3.) chemical bonds 4.) molecular bases

9 JANUARY 27, 2012 What is the total number of electrons in an atom of potassium? (1) 18 (3) 20 (2) 19 (4) 39

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