Iron-55 (55Fe) is a radioactive isotope of iron with a nucleus containing 26 protons and 29 neutrons.
HCl is an acid, C5H5N is a base, Cl is an acid, and HC5H5N is an acid.
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Answer:
1.15
Explanation: I hope my calculations are correct
It’s B
Silicon is used for electronic devices because it is an element with very special properties. One of it's most important properties is that it is a semiconductor.
Atoms share electons to reach 8 valence electons. these are covalent bonds