Duration: 8:11

18 views

0

Match the columns:
Column-I Column-II
(A) On arraging in order of (p) Mendeleev atomic weights, physical and chemical properties are repeated at regular intervals.
(B) Elements are arranged in (q) Lothar Meyer the order of increasing atomic weights.
(C) Elements were arranged (r) Moseley on the basis of similar properties ignoring order of atomic weights
(D) Atomic number is a
(s) Chancourtois more fundamental property of an element than its atomic mass
(a) \( \mathrm{A}-(\mathrm{p}), \mathrm{B}-(\mathrm{q}), \mathrm{C}-(\mathrm{s}), \mathrm{D}-(\mathrm{r}) \)
(b) \( \mathrm{A}-(\mathrm{r}), \mathrm{B}-(\mathrm{s}), \mathrm{C}-(\mathrm{r}), \mathrm{D}-(\mathrm{p}) \)
(c) \( \mathrm{A}-(\mathrm{q}), \mathrm{B}-(\mathrm{p}), \mathrm{C}-(\mathrm{s}), \mathrm{D}-(\mathrm{r}) \)
(d) \( \mathrm{A}-(\mathrm{q}), \mathrm{B}-(\mathrm{s}), \mathrm{C}-(\mathrm{p}), \mathrm{D}-(\mathrm{r}) \)
\( \mathrm{P} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live