9. This type of bond consists of closely packed cations and loosely held valence e- rather than neutral atoms.
a. lonic
b. Covalent
c. Metallic
d. polyatomic

Metallic bonds

Explanation:

Metals consist of closely packed cations and loosely held valence electrons rather than neutral atoms. The valence electrons of atoms in a pure metal can be modeled as a sea of electrons. Metallic bonds are the forces of attraction between the free-floating valence electrons and the positively charged metal ions.

it would be d. henry moseley

hope this !

and sorry if i'm late. have a good rest of your day! : d

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

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