Answer: They include elements 57-71, or lanthanides, and 89-103, or actinides. ... Inner transition metals have three incomplete outermost electron shells and are all metals.
Answer:
Fringe width = 21 mm
Explanation:
Fringe width is given by the formula

here we know that

L = 4.0 m
d = 0.108 mm
now from above formula we will have


so fringe width on the wall will be 21 mm
<h3>I'm pretty sure, all the elements in the column have similar chemical properties.</h3>
Answer:
s=1721.344m ,v=104.96m/s.
Explanation:
using thr equation of motion;

u=0, plane starts from rest,


s=1721.344m
v=u+at
v=0 +3.2*32.8
v=104.96m/s
Answer:
positive ion
Explanation:
due to the fact it loses electrons there is 2 more protons than electrons