Interpretation:
Name, number of protons, neutrons and electrons in an atom that has a mass number of 55 and number of neutrons is the sum of its
Concept introduction:
Proton is a subatomic particle that carries a positive charge. An electron is a subatomic particle that carries a negative charge. Neutron is a subatomic particle with no charge. Mass number is considered as the sum of the atomic number and neutrons in the nucleus.
Answer to Problem 17PP
There are 25 protons, 25 electrons and 30 neutrons and the element is Manganese.
Explanation of Solution
Now, it is given that:
And
Therefore,
And
Now, in the modern periodic number the element with atomic number 25 is Manganese.
The element is Manganese, and has 25 protons, 25 electrons and 30 neutrons.
Chapter 4 Solutions
Chemistry: Matter and Change
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