Answer:
2.2 x 10⁸
Explanation:
We are to find the largest number from the given set of numbers:
2.9
2.5 x 10⁻⁵
2.8 x 10⁶
The largest number is the first one; 2.2 x 10⁸ ;
2.2 x 100 000 000
the other numbers are far lesser than this number;
B
Arsenic (As) anion has -‐3 charge, but also forms cations with +3 or +5 charge.
B. HCIO these is the answer