Answer: B
Explanation: look at the chart, easy
Answer:
when a element of 1 group take part in reaction, its atom looses outer electron and form positively charged ions called Cation.
Explanation:
I think its Mercury because it's the closest to the sun.
Answer:
Explanation:
From A to B
distance traveled with velocity
in time
from B to C
distance traveled is 0.5 d with
and
velocity for half-half time
divide 1 and 2 we get
Now average velocity is given by
taking
common
Forces are exerted I believe : all of the above
The action force might be Tyler throwing the ball
I don't know the last one