Answer:
The correct option is;
c. The atoms in lithium sulfide are held together by bonds
Step-by-step explanation:
The given information is that a molecule of lithium sulfide contains two atoms of lithium and one atom of sulfur
Therefore, given that the lithium sulfide is a molecular compound, we have that for lithium and sulfur to combine and form a molecular compound, molecular bonds will be formed by the sharing of valence electrons between the atoms of lithium and sulfur, such that the atoms will be held together in fixed ratio within the compound by the bonds.
The only statement about Lithium Sulphide that is correct is given by the option;
Option C; The atoms in lithium sulfide are held together by bonds.
Lithium is an element which is a a metal in the periodic table that belongs to group 1 since it has one valence electron. Whereas Sulphur is a non-metal that belongs to group 6 because it has 6 electrons in its' outermost shell.
They react with each other to form Lithium Sulphide
Let us look at the options;
Option A; It does not contain 2 spheres because usually, a sphere represents a unique element and in this case there has been a reaction to form one compound element.
Option B; The formula for the reaction of Lithium and Sulphur is;
2Li + S = Li₂S
Thus the given statement is wrong.
Option C; Since lithium and sulphur have reacted to form lithium sulphide, it means that there there has to be a bond holding both of the atoms together which in this case will be an ionic bond since they have opposite charges that are linked by electrostatic attraction. This statement is true.
Option D; As seen in Option C above, they have opposite charges and so this option is not correct.
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