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blondinia [14]
2 years ago
13

Which of the following statements is true?

Chemistry
2 answers:
lisabon 2012 [21]2 years ago
6 0

Answer:

D. Displacement and distance traveled are the same if the direction does not change.

zmey [24]2 years ago
6 0

Answer:

D

Explanation:

if a person in a single direction, then that person may travel certain distance and if the direction is not changed then its displecemengt remains same sa that person travelled distance.

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Atomic number is the sum of only total number of protons present in an element. Whereas mass number is the sum of total number of both protons and neutrons present in an element.

For example, given atom has mass number as 15 and its atomic number is 7.

Therefore, number of neutrons present in it will be calculated as follows.

                    Mass number = no. of protons + no. of neutrons

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                    no. of neutrons = 15 - 7

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Thus, we can conclude that the given atom contains 8 neutrons in the nucleus.

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