Chemistry, asked by yogivel99, 8 months ago

An atom has a mass number of 40 and atomic number 18. The number of protons present in the atom is

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Answered by divyanshi58844

Answer:

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Explanation:

Explanation: In the form of an element, YZX , Z is the number of protons, and also the number of electrons, and Y is the atomic mass. So, in the case of 4018Ar , then it has 18 protons and 18 electrons

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An atom has a mass number of 40 and atomic number 18. The number of protons present in the atom is​

Answers

An atom has a mass number of 40 and atomic number 18. The number of protons present in the atom is