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Author Question: What is the term for a chemical symbol of an element surrounded by a dot representing each valence ... (Read 46 times)

jrubin

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on: Aug 27, 2018
What is the term for a chemical symbol of an element surrounded by a dot representing each valence electron?
 
  A) atom dot notation
  B) core notation
  C) electron dot formula
  D) valence formula
  E) none of the above

Question 2

Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s) + H2SO4 (aq)  ZnSO4 (aq) + H2 (g) In an experiment, 177 mL of wet H2 is collected over water at 27 C and a barometric pressure of 766 torr.
 
  The vapor pressure of water at 27 C is 26.74 torr. The partial pressure of hydrogen in this experiment is ________ atm. A) 0.972
  B) 739
  C) 1.01
  D) 793
  E) 1.04

Question 3

The main scientific difficulty in achieving a controlled fusion process is the ________.
 
  A) enormous repulsion between nuclei being fused
  B) enormous repulsion between the electrons of atoms being fused
  C) very large number of positrons emitted
  D) very large number of x-rays emitted
  E) very large number of gamma rays emitted
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billybob123

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Reply #1 on: Aug 27, 2018
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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jrubin

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Reply #2 on: Aug 27, 2018
Thank you!


billybob123

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Reply #3 on: Aug 27, 2018
Always glad to help...


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