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Katena32 [7]
4 years ago
8

Very Important!! Electron lender or borrower?

Chemistry
2 answers:
worty [1.4K]4 years ago
4 0
Sodium lends 1 electron.
Phosphorus borrows 3 electrons.
Potassium lends one electron.
Oxygen borrows 2 electrons.
Iodine borrows one electron.
Cesium lends 1 electron.
Bromine borrows 1 electron.
Sulfur borrows 2 electrons.
And magnesium lends 2 electrons.
Paha777 [63]4 years ago
3 0

Answer : Lending makes the element as cation (positively charged species) and borrowing makes the element as anion (negatively charged species).

Usually all the metal species donates the electrons and non-metals accepts (borrows) the electrons.


Sodium (Na) donates 1 electron and becomes Na^{+}.

Phosphorus (P) accepts 3 electrons and becomes an anion of phosphorus P^{-3}.

Potassium (K) donates its one electron and gets converted to K^{+}.

Oxygen (O) accepts 2 electrons and turns as O^{-2} .

Iodine (I) accepts one electron and gets converted into I^{-}.

Cesium (Cs) donates 1 electron and turns to Cs^{+}.

Bromine (Br) accepts 1 electron and turns as Br^{-}.

Sulfur (S) accepts 2 electrons and becomes S^{-2}.

Magnesium (Mg) donates its 2 electrons and gets converted as Mn^{+2}.

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Answer:

The number ratio is 4:7

Explanation:

Step 1: Data given

Compound 1 has 50.48 % oxygen

Compound 2 has 36.81 % oxygen

Molar mass oxygen = 16 g/mol

Molar mass manganese = 54.94 g/mol

Step 2: Calculate % manganes

Compound 1: 100 - 50.48 = 49.52 %

Compound 2: 100 - 36.81 = 63.19 %

Step 3: Calculate mass

Suppose mass of compounds = 100 grams

Compound 1:

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Compound 2:

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63.19 % Mn = 63.19 grams

Step 4: Calculate moles

Compound 1

Moles O = 50.48 grams / 16.0 g/mol = 3.155 moles

Moles Mn = 49.52 grams / 54.94 g/mol = 0.9013 moles

Compound 2

Moles O = 36.81 grams / 16.0 g/mol = 2.301 moles

Moles Mn = 63.19 grams / 54.94 g/mol = 1.150 moles

Step 5: calculate mol ratio

We will divide by the smallest amount of moles

Compound 1

O: 3.155/0.9013 = 3.5

Mn: 0.9013 / 0.9013 = 1

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Compound 2

O: 2.301 / 1.150 = 2

Mn: 1.150 / 1.150 = 1

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The number ratio is 2:3.5 or 4:7

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