Concept explainers
The number of elements known today.
Answer to Problem 1A
The number of elements that are known today nearly 118.
Explanation of Solution
Introduction:
A material composed of only one atom is known as element.
All kind of atoms combine to form the all the materials.
Approximately, 118 elements are known till date. Out of these, 90 elements occur in nature. Remaining are made in laboratory with high energy atomic accelerators and nuclear reactor.
Conclusion:
118 elements are known till date.
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