An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. :)
Blow a lot of air into it you can stick an air pump and when your done pumping quickly put tape over the hole
Answer:
1) chemical indicators won't work above it's pH range so therefore it probably won't change colour.
2) the solution should be clear and colourless to see colour change.
3) indicators tend to be of low accuracy so it's not 100% reliable.
Answer:
elements tend not to react with other elements, there were no oxide compounds for Mendeleev to study. –Group 18 elements are generally unreactive. sodium ion is smaller because the sodium atom lost one electron. –An Na+ ion is smaller because it has one fewer electron shell.
Explanation:
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Also have a great day and good luck in your studies!
Answer:
2.48626 x 10^24
Explanation:
We multiple 4.13 by avogadro's number to get that.
