Answer:
protons+neutrons = atomic mass
11+12 = 23
so the element which has an atomic mass of 23 is
<h2>Sodium (Na)</h2>
The structure that corresponds to the structure of pentanoic acid is both
CH₃CH₂CH₂CH₂COOH and also by the line formula as in Option B ,
Option C is the right answer.
<h3>What is Pentanoic Acid ?</h3>
Pentanoic Acid is given by the formula C₅H₁₀O₂ and a straight chain alkyl Carboxylic acid.
The structure that corresponds to the structure of pentanoic acid is both
CH₃CH₂CH₂CH₂COOH and also by the line formula as in Option B ,
Therefore Option C is the right answer.
To know more about Pentatonic Acid
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Answer: W + BgCz2 arrow WCz + Bg
2 W + BgCz2 arrow 2 WCz + Bg
Explanation:
Cz has 2 so you balcne the other side of WCz.
Since you Balcanes the Cz you changed the W and you Balcanes the other W on the left side.
Breaking glass is an example of a physical change because if you break it, it is still glass.
Alkanes are saturated hydrocarbon, that is they contain hydrogen and carbon without a double or triple bond between the carbon atoms, e.g. ethane, propane. Group 7a in the periodic table are called halogens e.g chlorine, bromine. Alkanes react with halogens in a reaction called substitution, where halogens replace hydrogen atoms in alkanes.