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ROOM NAME:
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CELTICCHEMISTRY61#
​
# = YOUR period of Chem
(EX/ 3rd Period, # = 3)
Google Summit
Room Name:
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Googlesummit2016
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How to Input Answers
(Examples)
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Scientific Notation:
1.55E-3 or 1.55 x 10^-3
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Numbers with Units:
10 m or 1.3E4 m
(space between the number and the unit)
Helpful Things
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Sig. Fig. Rules:
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Non-zero digits are always significant. (As in 1, 2, 3, 4, etc. --> anything EXCEPT zero)
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Any zeros between two significant digits are significant. (SANDWICHED Zeros, like those in the center of 4002)
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A final zero or trailing zeros in the decimal portion ONLY are significant. (Like the zero here: 8.90)
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Common Ions:
Group 1 (Alkali Metals): +1
Group 2 (Alkali Earth Metals): +2
Group 17 (Halogens): -1
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