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cupoosta [38]
3 years ago
5

Group 13 elements tend to acquire which charge when they form ions? -3 +5 +3 -5

Chemistry
1 answer:
kipiarov [429]3 years ago
8 0

Answer:

-0

Explanation:

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Give the name and formula of the compound formed from the following elements: (a) sodium and nitrogen; (b) oxygen and strontium;
lisov135 [29]

<u>Answer:</u>

<u>For a:</u> The chemical name and chemical formula formed is sodium nitride and Na_3N

<u>For b:</u> The chemical name and chemical formula formed is strontium oxide and SrO

<u>For c:</u> The chemical name and chemical formula formed is aluminium chloride and AlCl_3

<u>Explanation:</u>

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.  

The nomenclature of ionic compounds is given by:

1. Positive is written first.

2. The negative ion is written next and a suffix is added at the end of the negative ion. The suffix written is '-ide'.

  • <u>For a:</u> Sodium and nitrogen:

Sodium is the 11th element of periodic table having electronic configuration of [Ne]3s^1

To form Na^{+} ion, this element will loose 1 electron.

Nitrogen is the 7th element of periodic table having electronic configuration of [He]2s^22p^3.

To form N^{3-} ion, this element will gain 3 electrons.

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the chemical formula for sodium nitride is Na_3N

  • <u>For b:</u> Oxygen and strontium

Strontium is the 38th element of periodic table having electronic configuration of [Kr]5s^2.

To form Sr^{2+} ion, this element will loose 2 electrons.

Oxygen is the 8th element of periodic table having electronic configuration of [He]2s^22p^4.

To form O^{2-} ion, this element will gain 2 electrons.  

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the chemical formula for strontium oxide is SrO

  • <u>For c:</u> Aluminium and chlorine

Aluminium is the 13th element of periodic table having electronic configuration of [Ne]3s^23p^1

To form Al^{3+} ion, this element will loose 3 electrons.

Chlorine is the 17th element of the periodic table having electronic configuration of [Ne]3s^23p^5

To form Cl^{-} ion, this element will gain 1 electron.

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the chemical formula for aluminium chloride is AlCl_3

4 0
3 years ago
Jonathan used the following soil triangle to identify a sample of soil as sandy clay. Which description of soil likely allowed J
Papessa [141]

Answer:

Mostly large grains, with a sticky texture, 55% sand, 40% clay, and 5% silt

Explanation: I took the test, hope it helps.

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2 years ago
Which of the following metals will react with water to produce a metal hydroxide and hydrogen gas? (2 points)
vazorg [7]
The answer would be the first option - k
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A solution is classified as a weak base. Which of these could be the pH of the solution?
Pepsi [2]

Explanation:

The pH of a weak base falls somewhere between 7 and 10.

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If nitrogen and hydrogen combine in a combustion reaction, what would the product of the reaction be?
kow [346]

Co2

Explanation:

CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (l)

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