The answer is:
C. Fluorine is more reactive than nitrogen because fluorine needs only one electron to fill its outermost shell.
Answer:
1. Telophase
2. Metaphase
3. Anaphase
4. Prophase
Explanation:
1. Telophase- The last phase of the Mitotic division during which the cell the chromosomes are separated and present at the poles. The nuclear membrane starts reform around the chromosomes.
2. Metaphase- the phase during which the chromosomes are aligned at the centre of the cell.
3. Anaphase- the phase during which the chromosomes begin to separate and the reach towards the opposite poles of the cell through microtubule depolymerization.
4. Prophase- the phase during which the spindle fibres which gets attached to the chromosomes begin to form.
Answer:
when you say 2 molecules of an atom I assume you mean isotopes
In the lab, yes. Also as long as your fellow students do that as well.
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Answer: a) 
b) 1 mole of 
is produced.
Explanation:
According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.
The skeletal equation is:
The balanced equation will be:
Thus the coefficients are 2, 3 , 10 , 4 , 3 , 2 and 5.
b) Oxidation: 
Reduction: 
Net reaction: 
When 1 mole of 
is produced, 1 mole of is produced.
