Materials with ionic bonds tend to be more easily scratched.
Answer:
1. 18 protons
2. Argon
3. 18 electrons
4. 8 electron
5. Neutral Atom
Explanation:
count the number of electrons on the shells, number of electrons is equal to the number of protons for a neutral Atom.
since the number of proton is 18 then the element is Argon which has an atomic number of 16.
Answer:
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