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mhchem
  • Member for 6 years, 8 months
  • Last seen more than a month ago
7 votes

Why one gramm of O and one gramm of O2 icludes same amount of oxygen atoms?

4 votes

How can I balance this reaction using the algebraic method?

4 votes
Accepted

Is there a difference between Ca++ and Ca(2+)?

2 votes
Accepted

Editions of IUPAC Green Book

26 votes
Accepted

Why is the letter J omitted in the spdf... sequence?

4 votes
Accepted

Volume of gas in a system

14 votes
Accepted

Arrows used in chemical reactions

3 votes

What does an equal sign mean in chemical equations?

2 votes

A mole of atoms is the number of atoms whose total weight equals the atomic weight?

2 votes

Water cooling by evaporation

2 votes
Accepted

How many atoms are represented in this equation?

11 votes
Accepted

What is the simplest approach to balance a complex reaction equation?

4 votes
Accepted

Should compounds in a generic reaction be italicised (typography)?

7 votes

Element Song, updated with 118 names?

5 votes

Element Song, updated with 118 names?

12 votes

Why did the Rio 2016 pool water turn green?