Answer: There are four atoms
Explanation: mass of Cl atom is 35.45 amu
Amount of atoms n = m/M = 142 / 35.45 = 4
Answer:
Enthalpy change is negative
Entropy change is Positive
Explanation:
Answer:
Ne has the larger ionization energy
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The answer is D. A positively charged sodium Ion and a negatively charged chlorine ion form an ionic bond.