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Answer:</h2><h2>August 2, 1776</h2>
Explanation: The radius of an object is found from the center of the object to the perimeter. Radius can be any number, but it is the measurement from the center to the perimeter.
Answer:
Iron is an insulator because the outer electrons of its atoms can. move easily from one atom to another.
Explanation:
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answer : Neutron, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen.
Answer:
Though a hydrogen atom has only one electron, it contains a large number of shells, so when this single electron jumps from one shell to another, a photon is emitted, and the energy difference of the shells causes different wavelengths to be released... hence, mono-electronic hydrogen has many spectral lines.
Explanation:
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