Zinc
Cadmium
Copper
Chromium
Mercury
Lead
These are the heavy metal contaminants if it' something you were looking for
Answer:
From the general gas lawa
PV/T=k---constant
Phase 1
735×1.2/385K=2.3
Phase 2
K(constant)×T/P
2.3×290/651
Volume=1.0246dm³
1.question, 2.observe, 3.hypothesize, 4.experiment 5.conclusion, 6. record.
I think the answer is accuracy
Answer:
Elements in the same group have the same number of valence electrons.
Explanation: Science.