✅ Correct Answer: Cu
Source: This question is taken from the Everyday Science
✅ Correct Answer: Nuclear Energy
✅ Correct Answer: Carbon
✅ Correct Answer: Alpha Rays
✅ Correct Answer: Nitrogen
✅ Correct Answer: Cadmium
✅ Correct Answer: Atomic Number
✅ Correct Answer: Chlorine
✅ Correct Answer: Oxygen
✅ Correct Answer: Hydrogen
✅ Correct Answer: Mass of protons and neutrons
✅ Correct Answer: Hydrogen bond
✅ Correct Answer: Metals
✅ Correct Answer: Wavelength
✅ Correct Answer: Physical
✅ Correct Answer: Proton
✅ Correct Answer: Compound
✅ Correct Answer: Methane (CH4)
✅ Correct Answer: Gram atomic mass
✅ Correct Answer: Nichrome