The most active metals are the alkali metals which are located in group 1. The most active nonmetals are the halogens, group (17/7)
Can you send a better pic
Silicon-32's half-life is actually 710 years.
PV=nRT n=PV/RT
R=.0821 atm x L
Mol x K
T=318K
P=.55atm
V=37.4L
n= (.55atm) (37.4L) /
.0821atm x L (318k)
mol x K
n= .79 mol of sulfur dioxide
A pH of 7 or lower makes something an acid so it would be 3
