Hydrogen atoms have 1 electron and a mass of 1. How many protons are in hydrogen atoms? When hydrogen forms an ion with a +1 charge, has it gained or lost electrons? How many electrons has it gained or lost? When hydrogen forms an ion with a -1 charge, has it gained or lost electrons? How many electrons has it gained or lost?
Hydrogen atoms have 1 electron and a mass of 1. How many protons are in hydrogen atoms? When hydrogen forms an ion with a +1 charge, has it gained or lost electrons? How many electrons has it gained or lost? When hydrogen forms an ion with a -1 charge, has it gained or lost electrons? How many electrons has it gained or lost?
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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Transcribed Image Text:Hydrogen atoms have 1 electron and a mass of 1.
How many protons are in hydrogen atoms?
When hydrogen forms an ion with a +1 charge, has it gained or
lost electrons? How many electrons has it gained or lost?
When hydrogen forms an ion with a -1 charge, has it gained or lost
electrons? How many electrons has it gained or lost?
7
Expert Solution
Step 1
In a neutral atom, the number of electrons and protons is the same. Hence, we can say that:
Number of protons = Number of electrons
And the mass number is given by:
Mass number = number of protons + number of neutrons
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