Chemistry, 16.12.2019 19:31 st3ph

Examine the block from the periodic table for the element nitrogen, chemical symbol n. using your knowledge of the periodic table, which of these statements is correct about nitrogen?
a) all nitrogen atoms have 7 protons.
b) the mass number of nitrogen is 21.
c) all nitrogen atoms have 14 protons.
d) nitrogen atom has more protons than a fluorine anion.
eliminate

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