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Author Question: The formula of water, H2O, suggests (Read 93 times)

Wadzanai

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on: Mar 21, 2021

Question 1

Consider the element indium, atomic number 49. The nucleus of an atom of indium-112 contains

◦ 49 protons, 63 neutrons, 49 electrons.
◦ 49 protons, 49 neutrons.
◦ 49 protons, 49 alpha particles.
◦ 49 protons, 63 neutrons.
◦ 49 protons, 112 neutrons.

Question 2

The formula of water, H2O, suggests

◦ there is twice as much mass of hydrogen as oxygen in each molecule.
◦ there are two hydrogen atoms and one oxygen atom per water molecule.
◦ there is twice as much mass of oxygen as hydrogen in each molecule.
◦ there are two oxygen atoms and one hydrogen atom per water molecule.
◦ none of these are correct.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by Wadzanai on Mar 21, 2021

vickyvicksss

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Reply #1 on: Mar 21, 2021
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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Wadzanai

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Reply 2 on: Mar 21, 2021
Gracias!

amandalm

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Reply 3 on: Yesterday
Wow, this really help

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