Metals are found in group 1, 2, and abit of 3.
Non-metals are found in group 0/8, abit in 4, 5, 6 and 7 too. Here is a picture. Most of the periodic table are metals.
Z = (x -μ)/σ
.. = (99 -88)/5
.. = 11/5
.. = 2.2
The z score is 2.2.
Well, you could start by giving your child a daily dose of probiotics then, exersing, eating more healthy food than junk food, sleep early, and drink lots of water.
I don’t want you going back in the front door and I’m going to try calling it