Answer:
answer A makes the most sense
Explanation:
it's the only one the describes measuring the acid in the air from a factory (humans) I may be wrong tho
Answer:
I would say operation or symbol
Explanation:
But more an operation I'm sorry I don't really know what your learning so I can't say I know for sure
Answer:
A
Explanation:
since Mg has a charge of +2 and ClO3 has a charge of 1-, you need 2 ClO3 to cancel out the +2 since 2 ClO3 ions would have a 2- charge
Halogens are a family of atoms (the penultimate column of the periodic table). They're composed of Fluorine, Bromine, Chloride, Iodine and Astatine.
I'm pretty sure its the weight of the book
