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Play The Game -  Answer questions to, "Electronegativity" Click here

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Electronegativity is the strength of an atom to take an electron from another atom. The table below shows the relative strength of each atom. Notice the right side of the table tends to have higher numbers than the left side. Also notice that He, Ne and Ar don't have numbers. They are the noble gases and are very stable. They don't want to take electrons or give electrons. Chlorine has an electronegativity of 3.2 and Sodium has an electronegativity of 0.9. Therefore, Chlorine is stronger than Sodium. That is why Chlorine takes the electron away from Sodium when you put it in water as can be seen below.
Links for Kids for Chemistry The Game

Getting Started-Read Me First

1) Playing The Kids for Chemistry The Game

2) Why does the Buzzer Buzz?

3) Protons, Neutrons and Electrons - What atoms are made of.

4) Learn about S and P Orbits

5) More about S orbits

6) More about P orbits - Three Dimensional Space - The P Orbital Rule

7) 3 Dimensional Picture of S and P orbits

8) Identifying the First 20 Atoms by S and P Orbits

9) Keeping Track of S and P Orbits

10) Energy Levels (2,8,8) and the S and P Orbits   

11) Similarities of atoms in a column

12) Molecules

13) A Closer Look at Protons, Neutrons and Electrons

14) Ions

15) Cations and Anions  (Visit Ions first)

16) Electronegativity

17) Acids

18) How water behaves

19) Bases

20) The pH of Water

21) Changing the pH of a Solution

22) Oxidation and Reduction

23) Summary - Ions, Acids & Bases, Oxidation and Reduction

24) Acids, Bases and Salts

25) Adding Acids and Bases together (Visit Acids, Bases, and Salts First)

26) Organic Nomenclature

27) Multiplying and Dividing Units

28) Molecules in a Mole - Avogadro's Number 6.02x1023

29) Pounds in a Mole - (Visit Molecules in a Mole First)

30) The Buzzer Experiment

31) Make "Kids for Chemistry The Game" Money

 Links for Molecules and Ions in the

Kids for Chemistry The Game

1) The Hydrogen Atom

2) Hydrogen Gas (H2)

3) The Water Molecule (H20)

4) How water behaves

5) Sodium Chloride (NaCl)

6) A Closer Look at Sodium Chloride (NaCl)

7) Chlorine Gas (Cl2)

8) Hydrogen Chloride (HCl)

9) Sodium Hydroxide (NaOH)

10) Hydroxide Ion (OH-)

11) A Closer Look at the Hydroxide Ion (OH-)

12) Proton (H+)

Links For Math Products

1) The PI Wheel

2) The CosSin Calculator

3) The Cylinder Calculator