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Ghella [55]
3 years ago
10

The Bohr model of an atom shows a nucleus with electrons circling around it. What does the Bohr model show that makes it a usefu

l model for understanding atoms?
Differences in sizes of electrons and protons
Distances of the electrons from the nucleus
Number of electrons in each orbital
Paths of the electrons around the nucleus
Chemistry
1 answer:
mart [117]3 years ago
4 0

Answer:

electronic in useful model

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Balance <br><br> _Mg + _HCL = _MgCl2 + H2
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_Mg + _HCL = _MgCl2 + H2
Separate the terms on each side: 

_Mg + _HCl = _MgCl2 + H2

Mg- 1                 Mg-1
               
H-1                    H-2

Cl-1                    Cl-2

Mg is balanced on both sides so move on to the next (put a 1 in the space). 

1Mg

There are two H's and two Cl's on the results side, so to balance the equation put a 2 as a coefficient for HCl and it'll all balance out.

2HCl

Balamced equation will be: 

 1Mg + 2HCL = 1MgCl2 + H2
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b or d

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Draw the structure of 1,4-hexanediamine.
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1,4-hexanediamine contains two -NH_{2} functional groups.

Explanation:

1,4-hexanediamine is an organic molecule which contains two -NH_{2} functional groups at C-1 and C-4 position.

The longest carbon chain in 1,4-hexanediamine contains six carbon atoms.

Molecular formula of 1,4-hexanediamine is C_{6}H_{16}N_{2}.

1,4-hexanediamine used as a bidentate ligand in organometallic chemistry.

The structure of 1,4-hexanediamine is shown below.

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An atom, I believe.
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