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Svetllana [295]
3 years ago
13

Why Al is a member of group 13 rather than group 3?

Chemistry
1 answer:
Levart [38]3 years ago
8 0

Answer:

Boron and Aluminium

Explanation:

Boron and Aluminium are present in Group 13 of the modern periodic table. Group 13 (IUPAC System) can also be referred to as Group III-A. Logically, Boron and Aluminum can't be placed alongwith elements such as Yttrium as they don't exhibit properties of a transition metal.

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100 points! Formation of an Ion
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\huge\underline\pink {Answer}

If every oxygen ion is combined with an aluminium ion has a charge of -2,the charge of each aluminum ion would be -3.

Uncharged Aluminum atom must need to lose it's electrons,in order to form the bond with oxygen which has vacant orbitals


ion

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chemical bond

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3 years ago
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Question 13 of 32
FromTheMoon [43]

Answer:

D

Explanation:

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If 200 g of water is heated from 20 C to 40 C, then what is the heat added in kilocalories (same as food calories)?
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Answer: 4Kcal

Explanation:

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8 0
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Select the correct answer.
Karo-lina-s [1.5K]

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