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Subject: Chemistry, asked 9 hours, 36 minutes ago

All the anomalies of Mendeleev's periodic table disappear. Here anomalies means??

Subject: Chemistry, asked 12 hours, 19 minutes ago

Draw electron dot structure of butene and butyne.

Subject: Chemistry, asked 15 hours, 8 minutes ago

Tell me valency (charge) from hydrogen to zinc

Subject: Chemistry, asked 15 hours, 43 minutes ago

And also charge of all elements

Subject: Chemistry, asked 15 hours, 59 minutes ago

Please tell me symbol from scandium to zinc

Subject: Chemistry, asked 16 hours, 15 minutes ago

Please tell me all important valency

Subject: Chemistry, asked 18 hours, 21 minutes ago

What is polar covalent bond??

Subject: Chemistry, asked 2 days, 11 hours ago

Plz tell que no 15

Subject: Chemistry, asked 2 days, 14 hours ago

Describe the following chemical reaction giving its balanced equation. Carbon dioxide is passed through lime water.

Subject: Chemistry, asked 2 days, 14 hours ago

give scientific reason for the following statement copper sulphate crystals turn to a white amphous powder on heating

Subject: Chemistry, asked 2 days, 14 hours ago

describe the following chemical reaction giving its balance equation the hard water of a well become soft on adding washing soda to it

Subject: Chemistry, asked 2 days, 20 hours ago

Plz tell how to draw the electron dot structure of c3h7oh ???
Thanku in advance!!!!

Subject: Chemistry, asked 2 days, 20 hours ago

Plz tell the electron dot structure is correct or not ???

Subject: Chemistry, asked 2 days, 22 hours ago

 textbook tells me that one carbon atom is bonded to three others and two of these bonds are single while the third is a double bond.So all the electrons are bonded and there are no free moving electrons right? Where do these free electrons come from?

Subject: Chemistry, asked 3 days, 7 hours ago

Draw the electron dot structure of the following
1. C2 h4 O2
2. C2 h4 O

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