The table provides the number of valence electrons for each of the two atoms that form an ionic and a covalent compound. Which of the following statements is true about one of the compounds? Compound C is ionic because both atoms are in need of electrons. Compound D is covalent because both atoms are in need of electrons. Compound D is ionic because one atom is in need of electrons and the other needs to lose electrons. Compound C is covalent because one atom is in need of electrons and the other needs to lose electrons.

we know that a covalent bond is when both atoms are in need of electrons. Ionic bonds occur when one atom needs to gain electrons and one needs to lose electrons. therefore we can already eliminate answer options One and Four because they are misidentifying the two types of bonds mentioned.

Now when we take a look at compound D we see that both atom 1 and 2 are close to 8 electrons (which are needed to create a full orbital). So if they share electrons through a covalent bond they can both have full orbitals. Sharing electrons like this is the definition of a covalent bod therefore answer option 2 is the correct statement.

dsdrajlin dsdrajlin · Answer 2 · 2021-09-24T17:37:13+02:00

Compound D is covalent because both atoms are in need of electrons.

When thinking about the formation of bonds we need to consider the octet's rule: atoms will gain, lose or share electrons to have 8 electrons in their valence shell. If one atom gains electrons and the other loses them, the bond will be ionic, whereas if both atoms share electrons, the bond will be covalent.

Compound C has atom A with 7 electrons and atom B with 2 electrons. The easiest way to follow the octet's rule would be that atom A gained 1 electron and atom B lost 2 electrons (rather than gaining 6), completing the octet of the previous valence shell. Since electrons are gained and lost, the bond will be ionic.

Compound D has atom A with 6 electrons and atom B with 5 electrons. The easiest way to follow the octet's rule would be for both of them to share electrons, forming a covalent bond.

Which of the following statements is true about one of the compounds? Compound C is ionic because both atoms are in need of electrons. NO. Atom B will tend to lose electrons.

Compound D is covalent because both atoms are in need of electrons. YES. As explained before, they will form covalent bonds to complete their octets.

Compound D is ionic because one atom is in need of electrons and the other needs to lose electrons. NO. Compound D is covalent.

Compound C is covalent because one atom is in need of electrons and the other needs to lose electrons. NO. Compound C is ionic.

Compound D is covalent because both atoms are in need of electrons.

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