Question | Answer |
Ion tests | Sodium (Na+)=yellow flame Potassium (K+)=Lilac flame Calcium (Ca2+)=Red-Yellow flame Copper (Cu2+)=green-blue flame |
Halogens | Flourine is a pale yellow gas Chlorine is a yellow-green gas bromine is a liquid red-brown (ish) colour iodine is a solid and is grey. |
Noble gases | Noble gases appear in group 0 of the periodic table and is contains argon, helium and Xenon. They are all gases. |
Bases :) | |
Science | 科学は楽しいです Because science is fun |
Yields | The yield of a reaction is how much useful product you get at the end of the reaction. |
Halogens | They appear in group 7 of the periodic table.they have similar reactions to one another. if they gain one electron they complete their outer shell. They all react with metals to form a compounds called halides |
Chemistry and Biology |
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