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Chemistry 10/11/2017

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Christopher Horras

on 11 October 2017

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Transcript of Chemistry 10/11/2017

October 11th, 2017

Class Activity 19

1. Define the following terms:

a. valence electrons
b. effective nuclear charge
c. electronegativity

2. Identify the number of valence electrons for each of the following neutral atoms:

a. Sodium
b. Chlorine
c. Oxygen
d. Magnesium
e. Neon
Effective Nuclear Charge
Class Activity 19 (continued)
3. Determine the effective nuclear charge for the following neutral atoms:

a. Potassium
b. Bromine
c. Calcium
d. Sulfur

4. Sketch the periodic table and show the trends the following atomic properties:

a. Effective Nuclear Charge
b. Electronegativity
Professor Dave Periodic Trends
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