Answer:- 
Explanations:- When the covalent bond is formed between two different atoms then the more electron negative atom has 
and the less electron negative atom has 
charge. More is the electron negativity difference, greater is the charge separation.
Looking at all the given molecules, Oxygen is most electron negative and hydrogen is less electron negative(hydrogen is more electron negative than Si). So, the best choice is .
Answer:
The particles moves faster thus Expanding the liquid
Everything is composed of atoms<span>, which are the indivisible building blocks of matter and cannot be destroyed. hope this helped!!!!! :D
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Answer:
The limiting reactant is the copper
Explanation:
Moles are the standard unit at which you can compare values, and copper has fewer moles than Silver nitrate, so in a reaction, it would be used up first, leaving Silver nitrate in excess.
Sulfur is a group six element in period 3 with atomic number 16 and an electronic configuration of 2:8:6. Therefore, to attain a stable configuration it requires to gain two electrons forming an ion with a charge of -2. The negative charge is due to the gaining of electrons.
