1800-150-456-789
FlagBACK
Flag 10 grade science> 103. Out of the three elements P, Q and R...
question mark

103. Out of the three elements P, Q and R having atomic numbers 11, 17 and 19 respectively, which two elements will show similar properties and why? [Foreign 2014]

Harshit Singh , 3 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 3 Years ago

Answer: Explanation: P(11): 2,8,1 R(19): 2, 8, 8, 1 Q(17): 2, 8, 7 Elements P, R will show similar properties as they belong to they same group with valency 1 due to same number of valance electrons.

Provide a better Answer & Earn Cool Goodies

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Other Related Questions on 10 grade science

question mark
Name - The gas produced on reaction of dilute sulphuric acid with a metallic sulphide .
10 grade science
2 Answers Available

Last Activity: 3 Years ago

question mark
Write the equations for : - dil H_(2)SO_(4) & barium chloride . (ii) ] dil . H_(2)SO_(4) & sodium sulphide.
10 grade science
1 Answer Available

Last Activity: 3 Years ago

question mark
Identify the following substance : - Liquid E can be dehydrated to produce ethene .
10 grade science
1 Answer Available

Last Activity: 3 Years ago

question mark
Give the equation for . (i) Heat on sulphur with conc . H_(2)SO_(4) .ii ]Reaction of - suger with conc . H_(2)SO_(4).
10 grade science
1 Answer Available

Last Activity: 3 Years ago

question mark
Give a balanced equation for the conversion of zinc sulphate to zinc carbonate.
10 grade science
1 Answer Available

Last Activity: 3 Years ago