Answer:
3) Br-Br
Explanation:
Polarity occurs between Two atoms of unequal electronegativities.
since Br-Br contain only one atom ( ie.Bromine), they have equal electronegativity. So they can't be polar.
This fixed percent is called the definite proportion. Specifically, this phenomenon is states in the Law of Definite Proportions. According to John Dalton, all the individual elements making up the compound has a fixed ratio, whether in mass or in moles. For example, for any amount of H₂O, there will always be a fixed proportion of 2 H atoms: 1 O atom.
A) iron and copper oxide
iron and lead
because in electrochemical series, iron is located higher ( more electronegative ) than opper and lead
b) Fe + AlO = FeO + Al
Answer:
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Answer:
True
Explanation:
The sodium atom does become a sodium ion with a charge of +1.