1. $25000 PYRAMID

2. Group 1  Valence electrons  Group  Alkali Metals  Ionic Bond  Noble Gas  Metal  Moseley

3. Group 2  Covalent Bond  Metalloid  Non-Metal  Alkaline Earth Metal  Halogens  Period  Mendeleev

4. PERIODIC TABLE BINGO

5.  Arranged the periodic table by atomic masses.

6.  Worked with Rutherford on the Gold Foil Experiment. Died in WWI.

7.  Most reactive group of elements.

8. Group that contains the element that is used in heat shields on the space shuttle.

9.  Most stable group of elements.

10.  Family of elements that have 7 valence electrons. The “salt-makers”

11.  One of only 2 elements found as a liquid at room temperature.

12.  Describes the basic structure of the atom as protons, neutrons and electrons in specific arrangements.

13.  Element that is found as a gas at room temperature.

14.  A horizontal row on the periodic table.

15.  A vertical column on the periodic table.

16.  The element with 1 proton that is the exception to many rules associated with the periodic table.

17.  2 nd most abundant element in the universe, but rare on Earth.

18.  Found on the left side of the periodic table. Usually lustrous with high melting and boiling points.

19.  Found on the right side of the periodic table. Insulators. Can form covalent bonds.

20.  Have characteristics of both metals and non-metals. On the staircase (except Aluminum)

21.  Electrons in the outer-most energy level of an atom. Available for bonding.

22.  Has 6 valence electrons.

23.  Wants to give up 3 electrons to become stable.

24.  Number of elements found in nature. Not man-made.

25.  Number of natural elements that are found ALONE in nature.

26.  Bond in which electrons are gained or lost.

27.  Bond in which electrons are shared.