Challenger App

No.1 PSC Learning App

1M+ Downloads
Identify the INCORRECT order for the number of valence shell electrons?

ANa<Mg<Al<P<Ar

BLi<Be<B<C<N

CB<N<O<F<Ne

DAl<P<Si<S<Cl

Answer:

D. Al<P<Si<S<Cl

Read Explanation:

  • The incorrect order for the number of valence shell electrons is option D.

  • Al<P<Si<S<Cl


Related Questions:

Which group of the modern periodic table is NOT mentioned in Mendeleev's periodic table?
പ്രധാനമന്ത്രി ശ്രീ നരേന്ദ്രമോദി 2005-ൽ പ്രഖ്യാപിച്ച ഏത് മിഷനാണ് ഇന്ത്യയുടെ “അയൺ-ഡോം-പോലുള്ള" പ്രതിരോധ സംവിധാനമായി വിശേഷിപ്പിക്കപ്പെടുന്നത് ?

Select the incorrect statements from among the following.

  1. (i) Newland arranged the elements in the order of increasing atomic masses and gave the law of Octaves.
  2. (ii) Sodium is the eighth element after lithium.
  3. iii) Calcium is the eighth element after Beryllium.
  4. (iv) The law of Octaves was applicable only up to Magnesium, as after Magnesium every eighth element did not possess properties similar to that of the first.
    Which of the following elements shows maximum valence electrons?
    അലസവാതകമല്ലാത്തത് :