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Atomic Structure and Chemical Bonding — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYAtomic Structure and Chemical Bonding3 Marks
Question
Give one similarity and one difference between the isotopes $14 \mathrm{C}_6$ and $12 C_6$.
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Answer

Similarities:

1. They all have the same number of protons
2. They all have the same number of electrons
3. They all have the same valence arrangement.
4. They all react the same in chemical reactions

Differences

1. The all have different number of neutrons
2. They all have different atomic weights.
3. They all have different percent abundances.

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