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Model 1: Force of Attraction:
Model 1: Force of Attraction:
What subatomic particles are represented by + and - ?
Would you expect to observe attraction or repulsion?
What are the independent and dependent variables in the data?
Determine the force if the particles were 25 nm apart?
What would happen to the attractive force if two protons are 0.10 nm away from one electron?
Write a complete sentence stating the relationship between the independent and dependent variable.
Model 1: Force of Attraction Applied
Model 1: Force of Attraction Applied
What do the arrows represent?
What does the thickness of the arrow represent?
Are the elements in the same column or row?
How does the distance between the outermost electron and nucleus change as you move down the group?
How do the attractive forces change as you move down the group?
As you move from the smallest atom to the largest atom in model 1, how does the attractive force between the valence electron and nucleus change?
Are the answers to 5 & 6 consistent with Model 1?
Model 2: Number of Charges
Model 2: Number of Charges
What are the independent and dependent variables in model 2?
Sketch a graph of the relationship between the attractive force and number of protons.
Explain the relationship between these 2 variables.
What would be the attractive force if we added 1 more proton to the nucleus?
Model 2: Number of Charges Applied
Model 2: Number of Charges Applied
Locate these elements in your periodic table. Where are they located?
How many outermost electrons do they have?
Which of these atoms has the highest electronic attraction?
As you move across the periodic table, describe the trend in atomic radius?
If the atomic radius only decreases slightly across the periodic table, what explains the greater electrostatic attraction (the attraction between the protons and electrons)?
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