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Nicolau Saker Neto
  • Member for 9 years, 2 months
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201 votes
Accepted

Why can we smell copper?

143 votes
Accepted

Why doesn't H₄O²⁺ exist?

54 votes
Accepted

Why don't everyday things burn?

54 votes
Accepted

The last element's atomic number

51 votes

Why do we call O2 oxygen?

47 votes

Are there non-transparent gases?

44 votes
Accepted

The reason behind the steep rise in pH in the acid base titration curve

38 votes

Why is chemistry unpredictable?

34 votes
Accepted

Do atoms form either a positive or a negative charge, but not both?

33 votes

What is a word for "atom or molecule"?

33 votes
Accepted

What is the strongest oxidising agent?

32 votes
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Why do all radioactive decay series terminate at lead?

31 votes
Accepted

Does IUPAC nomenclature have the ability to name all organic compounds?

30 votes
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What are some good examples of rate equations for a math class?

29 votes
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Is it possible to melt diamonds into a liquid?

29 votes
Accepted

How come uranium's relative atomic mass is 238.03 when it only contains isotopes with a mass number of 238 or less?

28 votes
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Does hydrogen really have seven isotopes?

26 votes
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Why does the 3rd electron shell start filling up with scandium?

25 votes
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Is it possible to speed up radioactive decay?

24 votes
Accepted

What is the correct value of the Avogadro constant? And how was it derived?

24 votes

How much CO2 could you remove from the atmosphere with 2 trillion USD?

23 votes
Accepted

Is there a least reactive chemical species?

23 votes

Why is the minus sign (-) not allowed in reaction equations?

23 votes
Accepted

On heating in the Earth's atmosphere, can magnesium react with nitrogen to form magnesium nitride?

22 votes

Why does graphite have a high melting point even though its intermolecular forces are weak?

22 votes

A compound that absorbs all visible light

22 votes
Accepted

Shape of the P1/2 Orbital

21 votes
Accepted

Why do cyclic hydrocarbons have higher boiling points than their acyclic isomers?

20 votes
Accepted

Why does radium have a higher first ionisation energy than barium?

20 votes
Accepted

Can carbon dioxide be reduced to carbon monoxide and oxygen to produce energy?

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