Diamond. It can only be cut with another diamond.
Protons have a positive charge.
How I remember is Protons and Positive both start with the letter P.
Answer:
The answer is A. Polar covalent; negatively
Explanation:
Hydrogen bonds form between molecules containing polar covalent bond the hydrogen bond is been a hydrogen atom of one molecule and a partially negative charged atom of another.
Example
(water):- It contain a slight positive charge on one side and a slight negative charge on the other.
Answer:
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Explanation:
the first quantum number of an electron gives the information about the energy level the electron is in
I'm not to sure but try soy