Concept explainers
How many electrons, protons, and neutrons are contained in each atom?
a. gallium-69 c. titanium-48
b. fluorine-23 d. tantalum-181
(a)
Interpretation:
Electrons, protons and neutrons in an atom of gallium-69 is to be calculated.
Concept introduction:
Number of protons present in an atom is also referred as Atomic number of an atom. Total number of protons and neutrons present in the nucleus of an atom is known as mass number.
Answer to Problem 74A
Gallium-69
Explanation of Solution
Gallium- 69
Atomic number of Gallium is 31
Mass number of Gallium is 69
(b)
Interpretation:
Electrons, protons and neutrons in an atom of titanium-48 is to be calculated.
Concept introduction:
Number of protons present in an atom is also referred as Atomic number of an atom. Total number of protons and neutrons present in the nucleus of an atom is known as mass number.
Answer to Problem 74A
Titanium-48
Explanation of Solution
Titanium-48
Atomic number of Titanium is 22
Mass number of Titanium is 48
(c)
Interpretation:
Electrons, protons and neutrons in an atom of fluorine-23 is to be calculated.
Concept introduction:
Number of protons present in an atom is also referred as Atomic number of an atom. Total number of protons and neutrons present in the nucleus of an atom is known as mass number.
Answer to Problem 74A
Fluorine-23
Explanation of Solution
Fluorine-23
Atomic number of Fluorine is 9
Mass number of Fluorine is 23
(d)
Interpretation:
Electrons, protons and neutrons in an atom of tantalum-181 is to be calculated.
Concept introduction:
Number of protons present in an atom is also referred as Atomic number of an atom. Total number of protons and neutrons present in the nucleus of an atom is known as mass number.
Answer to Problem 74A
Tantalum-181
Explanation of Solution
Tantalum-181
Atomic number of Tantalum is 73
Mass number of Tantalum is 181
Chapter 4 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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