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Author Question: An atom's mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus? (Read 51 times)

Yi-Chen

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on: Feb 28, 2020

Question 1

Which the following denotes the positively charged particles in an atom's nucleus?
◦ isotrons
◦ protons
◦ electrons
◦ neutrons

Question 2

An atom's mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus?
◦ 19
◦ 7
◦ 6
◦ 13
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
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Marked as best answer by Yi-Chen on Feb 28, 2020

Kingjoffery

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Yi-Chen

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Reply 2 on: Feb 28, 2020
Thanks for the timely response, appreciate it

yeungji

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Reply 3 on: Yesterday
Wow, this really help

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