Answer:
group 17 the halogen.as it has 7 electron in its outermost ring
Answer:
50 ltr 150 ltr
Explanation:
this problem can be solved by the mixture and allegation concept which can be clearly understand from bellow figure in which the concentration of solution 1 is 50% and concentration of solution 2 is 90% before mixing after mixing with help bellow concept the ratio of concentration become 10:30
ratio of solution 1 and solution 2 =10:30
=1:3
total mixture is 200 liters
part of solution 1=
×200
=50 liters
part of solution 2=
×200
=150 liters
"Increase Pressure " is the right answer. if you need help , let me know
If your question is of the core of the Earth, it is suspected to be made of iron and nickel.