Question 1 Which of the following statements is correct about the comparative si

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Question 1 Which of the following statements is correct about the comparative sizes of the atoms in the following set: Mg, P, Sr, Sb O Mg is the smallest and Sr is the largest O P is the smallest and Sr is the largest O Mg is the smallest and Sb is the largest O P is the smallest and Sb is the largest Question 2 5 pts Which of the following statements is correct about the comparative first ionization energies of the atoms in the following set: Mg, P, Sr, Sb O Mg has the largest l1 & Sr has the smallest l1 O Mg has the largest l1 & Sb has the smallest l1 O P has the largest l & Sr has the smallest O P has the largest l & Sb has the smallest 1 Question 3 Which atom or ion has the biggest radius?: Na+; Mg2+: F: O2 O Na+ (Sodium ion) O Mg 2+ (Magnesium ion) O F- (Fluorine ion) O O2-(Oxide ion)

Explanation / Answer

Question 1.

Mg, P, Sr, Sb

The largest must be Sr, since it is a metal IIA alkaline earth metal, which has the largest amount of protons/neutrons

the smallest must be then P, since it is a nonmetal, with small amount of proton/neutron compared to all other species

so

from the list, choose P is the smallest and Sr is the largest

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