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Science
Science(The periodic table)
Question | Answer |
---|---|
What is the periodic table? | A table that shows the elements in order of increasing atomic numbers |
In the periodic table,what are groups? | Vertical columns of elements |
In the periodic table,what are periods? | Horizontal rows of elements |
In the periodic table, group one are the alkali metals, give two details on alkali metals | The are very reactive and behave similarly |
Give 3 examples of alkali metals | Lithium,Sodium and Potassium |
Group 2 are the alkaline earth metals,give 3 examples of these | Beryllium,Magnesium and Calcium |
Group 7 are the halogens, give 2 examples of these | Fluorine and Chlorine |
Group O are the noble gases, give 3 examples of these | Helium,Neon and Argon |