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Author Question: An yttrium isotope has 39 protons and 50 neutrons in its nucleus. Which one of the following symbols ... (Read 224 times)

jjjetplane

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on: Oct 11, 2019

Question 1

How many electrons can be found with principal quantum number in a suitably heavy atom?
◦ 20
◦ 6
◦ 18
◦ 9

Question 2

An yttrium isotope has 39 protons and 50 neutrons in its nucleus. Which one of the following symbols accurately represents this isotope?
◦ Y
◦ Y
◦ Y
◦ Y
◦ Y
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Marked as best answer by jjjetplane on Oct 11, 2019

rosiehomeworddo

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Reply #1 on: Oct 11, 2019
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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jjjetplane

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Reply 2 on: Oct 11, 2019
Wow, this really help

Bigfoot1984

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Reply 3 on: Yesterday
:D TYSM

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