Pryoynatonvelammer Pryoynatonvelammer

03-02-2016
Chemistry

contestada

Which element above has 8 protons in its nucleus?
a. oxygen
b. carbon
c. phosphorus
d. sulfur

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Bigmokeyceline Bigmokeyceline

03-02-2016

A. Oxygen. Oxygen has an atomic mass of 16. The atomic mass of an atom is the combined weight o the protons and neutrons. Since Oxygen's atomic mass is 16, it has 8 protons and 8 neutrons.

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stabbydanarwhal stabbydanarwhal

04-02-2016

Oxygen, you cannot judge an elements number of protons by its atomic mass, but by the atomic number. the atomic number is 8, thus 8 protons.

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