Challenger App

No.1 PSC Learning App

1M+ Downloads
When we move from right to left across the periodic table:

AElectronegativity increases

BAtomic radius increases

CAtomic radius decreases

DNone of these

Answer:

B. Atomic radius increases


Related Questions:

Which of the following triads is NOT a Dobereiner's triad?

  1. (i) Li, Na. K
  2. (ii) Ca, Sr, Ba
  3. (iii) N, P, Sb
  4. (iv) Cl, Br, I
    The most abundant rare gas in the atmosphere is :
    സംക്രമണ മൂലകങ്ങളുടെ ഓരോ ശ്രേണിയിലും, ഇടത്ത് നിന്ന് വലത്തേക്ക് പോകുംതോറും അയോണീകരണ എൻഥാൽപിയക് എന്ത് സംഭവിക്കുന്നു ?

    Consider the below statements and identify the correct answer

    1. Statement 1: Dobereiner gave the law of triads.
    2. Statement II: Dobereiner tried to arrange the elements with different properties into groups, having three elements each.
      The most reactive element in group 17 is :