Answer: Iodine
Explanation: When you subtract 127 by 74, you find out the atomic number (number of protons) and then simply check your periodic table which gives shows Iodine with an atomic number of 53 and an atomic mass of 126.90 which rounds to 127.
Answer:
Calcium iron oxide (CaFe2O4)
PubChem CID 6336546
Molecular Formula CaFe2H8O4
Synonyms Calcium iron oxide (CaFe2O4) 12013-33-1 Calcium ferrite EINECS 234-584-5
Molecular Weight 223.83 g/mol
Component Compounds CID 23925 (Fe) CID 5460341 (Calcium) CID 962 (Water)
The answer is A how it react with other chemicals
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Answer:
Option 3 or C An ion is all in Electrostatic forces so it's c if its not I'll work it out for you
