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an atom with an atomic number of 26 and a mass number of 58 contains how many protons and neutrons?

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23 Aug 2021

Answer: No of protons 26 No of neutrons 22Step-by-step explanation: Atomic no....

Consider potassium (K) which has an atomic number of 19 and an atomic mass of 39. How many outer or valence electrons exist in this atom?

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23 Aug 2021

Answer: e.1 No of protons =atomic no.=19 No of neutrons =atomic mass- no of no...

What is centripetal acceleration

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23 Aug 2021

Answer:the acceleration of a body moving in a circular path is called centripe...

An atom of oxygen has an atomic number of 8 and a mass number of 18. How many of each type of subatomic particles does it contain

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23 Aug 2021

Answer: Atomic no.8 Mass no. 18 No of neutrons 18-8 =10 No.of protons=No of el...