There are two types of chemical compound one is covalent compound and another is ionic compound in chemistry. In ionic bonds, electrons are completely transferred. The correct option is option C.
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What is chemical Compound?</h3>
Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion.
During formation of a compound calcium act as cation as Ca²⁺ so, if any element has to react with this cation in a 1:1 ratio, must have -2 charge over it . Option C represents S⁻², which react with Ca²⁺.
Therefore, the correct option is option C.
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Answer:
Homologous structure
Explanation:
Homologous structures come from same ancestors but have different functions.
Answer:
Explanation:
Here, we want to state the similarity between the model by Rutherford and the model by Thompson
The similarity in both models can be seen in terms of the affirmation of the presence of positively and neatively charged units in the atom
It applies to both physical and chemical changes.
Answer:
We can tell by how the continents look. Scientists who propose the pangea theory have said this. You can see for yourself because all the continents look like puzzle pieces you could put together. Scientists can also tell from the species. For example, let's say a scientist found a bone of a creature at the edge of a continent, the edge of another would have the same species. They have also calculated that the continents in itself are still splitting apart, but very slowly. The reason they split up was because tectonic plate movements.
