Names of following compounds a snf4 total of 4 charge

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19. Names of following compounds: a. SnF4- total of -4 charge, one Sn ion, tin (IV) fouride b. Cu2O- total of -2 charge, (with 2 Cu ions) copper (I) oxide C. HgS- S 2- charge, one Hg ion= mercury (II) sulfide d. Fe2O3- 6 totally oxygen charge -6, 2 iron atoms, 6-/3- (3+), iron (III) oxide E. MnS2- two S-2 charge total of -4, one Mn ion, manganese (IV) sulfide f. Hgl2- tow iodine, Toal -2 charge, one mercury ion, mercury (II) iodide 20. Atoms share valence electrons in covalent bonds. If Na bonds with F, an ionic bond forms.If S bonds with O a covalent bond forms. During covalent bonds each atom strives to have eight electrons in its valence (outer) shell. (H,Li, Be, and B only need 2) To satisfy the octet rule, atoms can share one pair of electrons, two pairs or three pairs. Single, double or triple bonds. The covalent bond represented by N-=N(three lines) is a triple bond. 21.Attached in photo 22. Attached in photo 23. Groups of atoms that carry a net electrical charge, but are covalently bonded are poly atomic. 24. Attached in photo 25. A metallic inter particle force sample is found in sodium. 26. Weak interparticle forces between oppositely charged portions of polar molecules are referred to as dipolar forces. 27. Interparticle forces between water molecules are known as hydrogen bonds. Attached in photo 28. Momentary dipoles create dispersion forces that weakly attract all particles to each other.
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