Question

39
4) The
block contains the group 1 and 2
5) Fe2+ →
B) Write the correct option of complete statement.
1) The gravitational force between two particles separated by a distance of varie:
d) 1/12
a) 1
a) 1/1
b)r
c)
2) The number of electrons in the outermost shell of alkali metal is
b) 2
d) 7
3) Which of the following triads does not follow Dobereiners law of triads ?
a) Li, Na, k b) Ca, Sr, Ba c) Be, Mg, Ca
d) Cu, Ag, Au.
c) 3​

Answer 1

Answer:

1) r

2) The number of electrons in outermost shell is 2.

3) cu, Ag, Au does not follow dobereniers law of traid.