The symbol used for oxygen is O. There are 8 protons and 8 neutron in its nucleus. From this determine the atomic number Z and mass number A of oxygen and arrange these in a conventional symbol.
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19
Answer:
Z=8 , A=16 , symbol is O2
Atomic number is the number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table. therefore it is 8
mass number or nucleon number is the total number of protons and neutrons in a nucleus. . therefore being 16
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10
Answer:
oxygen mass number is 16 , Atomic number is 8, valency-/ +2as it will lose two eletron
Explanation:
it's mass no is. 16 because mass number is the sum of proton and neutron as its mass no is 16
it's represented as subscript8 and superscript 16 and middle is O as a symbol of oxygen
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