Assignment 21: Periodic Trends
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Posljednje ažuriranje about 1 year ago
34 questions
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Predict: How do you think the radius of an atom will change as you move down a group (vertical column) in the periodic table? Do you think it will be bigger or smaller and why?
A. Open gizmos, login and click periodic trends.
Reminder:
Username: KateScience
Password:
Gian use: gf58
Sanaaiyah use: sl92
How many energy levels does H have?
What is the atomic radius of H? (in pm)
How many energy levels does Li have?
What is the atomic radius of Li? (in pm)
How many energy levels does Na have?
What is the atomic radius of Na? (in pm)
How many energy levels does K have?
What is the atomic radius of K? (in pm)
Based on question 6 - 13, What happens to the radius as you move down group 1?
Based on question 6 - 13, based on the number of energy, explain your answer to question 14.
Predict: How do you think the radius of an atom will change as you move across a period (horizontal row) in the periodic table?
How many energy levels does Na have?
Based on it's atomic number, how many protons does Na have?
What is the radius of Na? (in pm)
How many energy levels does Mg have?
Based on it's atomic number, how many protons does Mg have?
What is the atomic radius of Mg?
How many energy levels does Si have?
How many protons does Si have?
What is the atomic radius of Si? (pm)
Based on answers 17-25, what happens to the radius as you move across a period?
Based on answers 17-25, as you move across a period, are new energy levels added?
Based on answers 17-25, what happens to the number of protons in the nucleus as you move from one element to the next across a period?
Remember that opposite charges (positive and negative) attract, as you go across the period and add more protons and electrons, will it attract more or less?
How does your answer to the previous question explain the trend in radii across a period?
