How many protons, neutrons, and electrons are there in a neutral atom of Tc (technetium-97)?

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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Question 32 of 39 >
How many protons, neutrons, and electrons are there in a neutral atom of Tc (technetium-97)?
protons:
electrons:
neutrons:
Pu
Question Source: McQuarrie, Rock, And Gallogly 4e- General Chemsitry
15
人tv
שיהה 4
Transcribed Image Text:Question 32 of 39 > How many protons, neutrons, and electrons are there in a neutral atom of Tc (technetium-97)? protons: electrons: neutrons: Pu Question Source: McQuarrie, Rock, And Gallogly 4e- General Chemsitry 15 人tv שיהה 4
< Question 27 of 39 >
A 4.09 g sample of calcium sulfide was decomposed into its constituent elements, producing 2.27 g of calcium and
1.82 g of sulfur.
Which of the statements are consistent with the law of constant composition (definite proportions)?
O The mass ratio of S to Ca in every sample of calcium sulfide is 0.80.
The ratio of calcium to sulfur will vary based on how the sample was prepared.
Every sample of calcium sulfide will have 44.4% mass of sulfur.
O Every sample of calcium sulfide will have 2.27 g of calcium.
The mass percentage of calcium plus the mass percentage of sulfur in every sample of calcium
sulfide equals 100%.
15
A étv
W
MacBook Air
Transcribed Image Text:< Question 27 of 39 > A 4.09 g sample of calcium sulfide was decomposed into its constituent elements, producing 2.27 g of calcium and 1.82 g of sulfur. Which of the statements are consistent with the law of constant composition (definite proportions)? O The mass ratio of S to Ca in every sample of calcium sulfide is 0.80. The ratio of calcium to sulfur will vary based on how the sample was prepared. Every sample of calcium sulfide will have 44.4% mass of sulfur. O Every sample of calcium sulfide will have 2.27 g of calcium. The mass percentage of calcium plus the mass percentage of sulfur in every sample of calcium sulfide equals 100%. 15 A étv W MacBook Air
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