Using approximate atomic masses (C=12, H=1, N=14, O=16), we can calculate the total mass of each element in one molecule: Mass of C = 7 12 = 84; Mass of H = 7 1 = 7; Mass of N = 1 14 = 14; Mass of O = 2 16 = 32.
The compound C₇H₇NO₂ has
Asked in UPSC CDS 2 2018 · Topic: Atomic Structure (Electronic Configurations of Multi-electron Atoms and Ions)
More Chemistry questions
- Cl$^{-}$ is not isoelectronic with
- P$^{3-}$ has gained three electrons, so it has 15 + 3 = 18 electrons. Thus, Cl$^{-}$ (18 electrons) is not isoelectronic with Mg$^{2+}$ (10 electrons). 28. Which one among the following are the correct symbols for the elements gold, tin and lead, respectively ?
- Which one among the following is responsible for determining the chemical properties of an element ?
- Correctly match the following : Elements Valency (a) Silicon (i) 1 (b) Fluorine (ii) 2 (c) Aluminium (iii) 3 (d) Sulphur (iv) 4 Code :
- Matches (iii). - (d) Sulphur (S) is in Group 16. It typically gains two electrons to form S²⁻ in simple compounds, exhibiting a valency of 2. Matches (ii). 31. How many valence electrons are present in Cl- ion?
- What is the maximum number of electrons that can be accommodated in the M shell of an atom?
- A species that is not isoelectronic with $^{35} _{17}$Cl$^-$ is
- Which one of the following is the correct order of increase of the atomic radius of the elements?