Element 87 francium have the highest atomic size, so in short the closest element to francium have the high atomic size.
Carbon will have 4 valence electrons. It will have 2 in the p orbital and 2 in the s orbital. You can see this when you find the noble gas configuration of carbon which is [He]2s²2p² showing that carbon has 4 valence electrons.
I hope this helps. Let me know if anything is unclear.
Answer: No, the speed of propagation is constant in a given medium; only the wavelength changes as the frequency changes.
Explanation:
Atomic number of carbon = Number of protons = 6
Mass number of carbon = Number of protons + neutrons
= 6 + 5 = 11
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Explanation:
