New post in Notation

What does the symbol ϕ mean in skeletal formulae?

August 1st, 2022

Is it wrong to write a coefficient of 1 in a chemical equation?

August 1st, 2022

Significant figures used to imply stated error?

August 13th, 2022

How do we represent a molecule in text form?

August 14th, 2022

What does the M in μM-Sux stand for?

February 18th, 2020

Kröger-Vink notation for defect reactions

August 15th, 2022

What does the plus-minus sign with a value in parentheses mean?

August 1st, 2022

What does the Pi stand for in the reaction for biological nitrogen fixation?

August 1st, 2022

Hyphenation of chemical names

August 1st, 2022

What is the meaning of the "colon" notation in chemical formulas?

May 18th, 2020

What is difference between T1g and T2g?

January 2nd, 2020

Can a double bond extend beyond the plane and if so, how would it be drawn?

August 1st, 2022

What does the ‘−1’ superscript mean in units?

September 15th, 2020

kJ per mole or kJ per 2 moles?

August 1st, 2022

Can isotopes of a given element be represented by different symbols?

August 1st, 2022

Should the 'a' in the acid dissociation constant (Ka or pKa) be capitalised?

September 11th, 2020

Is 1 ppb equal to 1 μg/kg?

August 1st, 2022

Why do we sometimes write reactants above the reaction arrow?

August 1st, 2022

What are t2g and eg in CFT?

August 1st, 2022

What databases or repositories are there that have generalized SMILES for functional groups?

February 12th, 2022

Is “amount of substance” the same thing as “number of moles”?

August 3rd, 2022

What is the difference between O & O2

November 3rd, 2020

Arrows used in chemical reactions

August 13th, 2022

What is the meaning of the "dot" notation in chemical formulas?

August 1st, 2022

Typography of multi-letter variables

August 15th, 2022

Letter codes in molecular term symbols

September 18th, 2020

For a benzene shown in a skeletal structure, what does a substituent to the center of the ring mean?

August 1st, 2022

What do curly brackets {} mean?

August 1st, 2022

What is the role of the slash ("/") in chemical reactions?

August 5th, 2022

Proper typography of "NOx"

October 4th, 2020