Which one is true about isotope?
آسوٹوپ کے بارے میں کون سا سچ ہے؟
- Same number of neutrons
- Same mass number
- Same physical properties
- Same chemical properties
Explanation
Isotopes are atoms of the same element that have the same number of protons (atomic number) but a different number of neutrons. This means they have:
- Same chemical properties (because they have the same number of protons, which determines chemical behavior)
- Different mass numbers (because they have a different number of neutrons)
- Different physical properties (such as different atomic masses, different radioactivity, etc.)
Related MCQs
- Reactive metals
- Alkali metals
- Noble metals
- Transition metals
اس سوال کو وضاحت کے ساتھ پڑھیں
کاربونیٹڈ پانی کس چیز کا محلول ہے؟
- Water oxidised by carbon at high temper
- Carbon in water under high pressure
- Carbon is oxidised by water under high pressure
- None of these
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کس قسم کے ردِعمل میں کے سی درجہ حرارت کے ساتھ براہِ راست بڑھتا ہے؟
- Neutralization reaction
- Endothermic
- Exothermic
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
درج ذیل میں سے کون سا تیزابی بفر ہے؟
- HCN+NaCN
- CH3COOH+NH4Cl
- HCl+NaCl
- HCL+NH4Cl
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- Electricity
- Freezer
- O₂
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
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