Answer:
Vinegar contains acetic acid which removes this coating. When the protective coating is removed, oxygen in the atmosphere can reach the iron in the steel wool and a chemical reaction called oxidation occurs. ... This reaction is also an exothermic reaction. It creates heat energy
Explanation:
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Answer:
B. oxygen and glucose
Explanation:
Oxygen for respiration and glucose for energy utilization
Carboxylic acid...........
Solution:
Since we have ml=-1
it shows that it has two 2e- i;e it fond in 2nd subshell in f orbital. And each subshell can hold 2 e-.
Thus the required answer is 2 electrons hold by an atom.
IVA: nonmetal/other metals VIIA:halogens VIII: Nobel Gases