Hi friend
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Your answer
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Water = H2O
Number of molecules in one mole of water = 6.022 × 10²³ [Avogadro's constant]
Given number of molecules = 2.52 × 10²³
So,
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Number of moles =

HOPE IT HELPS
Answer:
B. The ionization energy increases because the ratio of the protons to electrons increases.
Explanation:
A attract a core pair of electrons toward itself