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Subject: Science, asked on 28/9/15

What is the importance of a chemical equation?

Subject: Science, asked on 26/9/15

electronic configuration of all the elements that r in periodic table

Subject: Science, asked on 3/9/15

Were inert gases placed in mendeleev's periodic without disturbing it?

Subject: Science, asked on 29/7/15

IsBoronnon metal or metelloid?
Please its urgent

Subject: Science, asked on 16/7/15

to which block do lanthanum(La) and actinium(Ac) belong? Luand LrBelong to f-block. But by electronic configuration, they should be placed in the d- block. why is it so?

Subject: Science, asked on 7/7/15

when in some detergent powder water is added so does the temperature changes?

Subject: Science, asked on 16/6/15

What kind of elements are placed under the modern periodic table?what properties they shows similar?

Subject: Science, asked on 10/6/15

what is ionization energy

Subject: Science, asked on 7/6/15

Phosphorus is a :
metal, non-metal or metalloid ?

Subject: Science, asked on 4/6/15

In the modern periodic table, which are metals, non-metals and metalloids among the first twenty elements.

Subject: Science, asked on 31/5/15

atomic radii of hydrogen is
a) highest
b) lowest

Subject: Science, asked on 27/4/15

what is Ne know for?

Subject: Science, asked on 13/4/15

Why there are multiple valencies for elements like Ti, Sc, V, Cr, Mn, etc?

Subject: Science, asked on 11/4/15

What is the valency of titanium (Ti)?

Subject: Science, asked on 11/4/15

What is electronic configuration of manganese?

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