Which of the following species has

(a) equal numbers of neutrons and electrons;

(b) protons, neutrons, and electrons in the ratio 9:11:8;

(c) a number of neutrons equal to the number of protons plus one-half the number of electrons?

24Mg2+, 47Cr, 60Co3+, 35Cl-, 124Sn2+, 2266Th, 90Sr Petrucci, Ralph H ... General Chemistry (p. 63). Pearson Education. Kindle Edition.

Question

Chemistry

Layton Summers

15 August, 16:11

Which of the following species has

(a) equal numbers of neutrons and electrons;

(b) protons, neutrons, and electrons in the ratio 9:11:8;

(c) a number of neutrons equal to the number of protons plus one-half the number of electrons?

24Mg2+, 47Cr, 60Co3+, 35Cl-, 124Sn2+, 2266Th, 90Sr Petrucci, Ralph H ... General Chemistry (p. 63). Pearson Education. Kindle Edition.

+5

Answers (1)

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Oneal · Answer 1

see explanation ...

Explanation:

Mg⁺²-24 Co⁺³-60 Clˉ-35

Protons (p⁺) 12 27 17

Neutrons (n⁰) 12 33 18

Electrons (eˉ) 10 24 18

(c) (b) (a)

12/2 : 12/2 : 10/2 27/3 : 33/3 : 24/3 #n⁰ = 18

6 : 6 : 5 9 : 11 : 8 #eˉ = 18