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Author Question: How many H- ions are around each Na+ ion in NaH, which has a cubic unit cell with H- ions on each ... (Read 115 times)

krzymel

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Question 1

Gold crystallizes in a face-centred cubic structure. What is the edge length of the unit cell if the atomic radius of gold is 144 pm?
◦ 204 pm
◦ 288 pm
◦ 333 pm
◦ 407 pm

Question 2

How many H- ions are around each Na+ ion in NaH, which has a cubic unit cell with H- ions on each corner and each face?
◦ 1
◦ 4
◦ 6
◦ 8


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Marked as best answer by krzymel on Jul 8, 2021

meow1234

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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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krzymel

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Reply 2 on: Jul 8, 2021
:D TYSM


ghepp

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Reply 3 on: Yesterday
Excellent

 

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