Respuesta :
Answer:
11
Explanation:
Neutron number=Atomic mass-atomic number
=22-11
=11
11 because Neutron number=Atomic mass-atomic number
=22-11
=11
Where is the atomic number?
The periodic table displays all of the known elements and is arranged in order of increasing atomic number. In this table, an element's atomic number is indicated above the elemental symbol. Hydrogen, at the upper left of the table, has an atomic number of 1. Every hydrogen atom has one proton in its nucleus.
What is the electron number?
The number of electrons in an atom is equal to the atomic number of an element, for neutrally charged species. This means the number of electrons and the number of protons in an element are equal. Therefore, the number of electrons in oxygen is 8
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