Could any one help on this fill in questions​

3)Liming materials come in two types. Those containing only calcium carbonate (CaCO3), calcium hydroxide [Ca(OH)2], or calcium oxide (CaO) are called “calcitic limes.” Pure calcium carbonate is used as the standard for liming materials and is assigned a rating of 100 percent.

4)Metal oxides react with acids to form their corresponding metal salts and water.

5) Bases are compounds that break up into hydroxide (OH-) ions and another compound when placed in an aqueous solution.

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rotten tomato score 95%

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explanation:

metals have excess of electrons whereas non-metals have deficiency of electrons. thus, in order to gain stability metals easily donate their electrons to the non-metals.

for example, electronic configuration of sodium is and electronic configuration of phosphorous is .

when a phosphorous atom and sodium atom combine together then sodium will donate is extra one electron to the phosphorous atom. as a result there will be formation of ionic bond between sodium and phosphorous.

the reaction will be as follows.

there, are three sodium sodium atoms and each of them will donate its one extra electron to phosphorous atom. thus, the sub-shell of phosphorous gets completely filled.  

thus, we can conclude that electrons are transferred from atoms of sodium to atoms of phosphorous. this transfer makes the sodium atoms donate one electron and the phosphorous atoms to gain one electron. as a result, the sodium and phosphorus atoms strongly attract each other.