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If the radius of a potassium atom is 2.48 x 10-7 mm, how many K atoms would fit along the edges of a circle with a circumference of 3.75 inches?

If the radius of a potassium atom is 2.48 x 10-7 mm, how many K atoms would fit along the edges of a circle with a circumference of 3.75 inches?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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empirical formula -) PS3 Mass-> 316,24g/mol La0.97)+3(32.07) Imu33 OI 58.15 158,15 )316,24 moreeular waight-188,15 PaSto. 3. If the radius of a potassium atom is 2.48 x 10-7 mm, how many K atoms would fit along the edges of a circle with a circumference of 3.75 inches? 4. Naming Practice A. Copper (I), Cu, reacts with oxygen, O, to give an ionic compound. Name and write the formula for this ionic compound. Name and write the symbols for the cation and anion in this compound. B. What is the formula for tetrasulfur tribromide? Is this covalent or ionic? How can you tell? C. For the compounds in A and B write all possible mole:mole relationships. For example, for water you can write three relationships, 2 moles H atoms = 1 mole H2O molecule, 1 mole O atom =1 mole H20 molecule, 1 mole O atom = 2 moles H atoms
Transcribed Image Text:empirical formula -) PS3 Mass-> 316,24g/mol La0.97)+3(32.07) Imu33 OI 58.15 158,15 )316,24 moreeular waight-188,15 PaSto. 3. If the radius of a potassium atom is 2.48 x 10-7 mm, how many K atoms would fit along the edges of a circle with a circumference of 3.75 inches? 4. Naming Practice A. Copper (I), Cu, reacts with oxygen, O, to give an ionic compound. Name and write the formula for this ionic compound. Name and write the symbols for the cation and anion in this compound. B. What is the formula for tetrasulfur tribromide? Is this covalent or ionic? How can you tell? C. For the compounds in A and B write all possible mole:mole relationships. For example, for water you can write three relationships, 2 moles H atoms = 1 mole H2O molecule, 1 mole O atom =1 mole H20 molecule, 1 mole O atom = 2 moles H atoms
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