Showing posts from November, 2022Show all
Alkali metals
Alkali metals are those elements which belong to group 1 of the modern periodic table.…
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Mcq on Radium
When you talk about radioactivity you can't leave out the name Radium. Let's t…
Alkali metals are those elements which belong to group 1 of the modern periodic table.…
When you talk about radioactivity you can't leave out the name Radium. Let's t…
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