Concept explainers
Write appropriate symbols for the following particles using the
a. A tin-
b. A nucleus of the chromium
c. A nucleus of element number
(a)
Interpretation:
Then appropriate symbol for the given particles using the
Concept introduction:
The atomic number of an element determines the number of protons and the number of electrons in a neutral atom. The mass number is the sum of a number of protons and the number of neutrons. An element is represented using the symbol
Answer to Problem 10.7E
The symbol of tin-
Explanation of Solution
The given element is tin. The symbol of tin is
The symbol of tin-
(b)
Interpretation:
Then appropriate symbol for the given particles using the
Concept introduction:
The atomic number of an element determines the number of protons and the number of electrons in a neutral atom. The mass number is the sum of a number of protons and the number of neutrons. An element is represented using the symbol
Answer to Problem 10.7E
The symbol of chromium
Explanation of Solution
The given element is chromium. The symbol of chromium is
Substitute the values of a number of protons and that of neutrons in the above equation.
Therefore, the value of the mass number of chromium is
An element can be represented using the symbol
The symbol of chromium
(c)
Interpretation:
Then appropriate symbol for the given particles using the
Concept introduction:
The atomic number of an element determines the number of protons and the number of electrons in a neutral atom. The mass number is the sum of a number of protons and the number of neutrons. An element is represented using the symbol
Answer to Problem 10.7E
The symbol of the nucleus of the element number
Explanation of Solution
The atomic number of a given element is
Substitute the values of a number of protons and that of neutrons in the above equation.
Therefore, the value of the mass number of calcium is
An element can be represented using the symbol
The symbol of the nucleus of the element number
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Chapter 10 Solutions
Chemistry for Today: General, Organic, and Biochemistry
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