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Marysya12 [62]
3 years ago
13

A students drawing of a nitrogen atom is shown. What change would make the model more accurate?

Chemistry
1 answer:
zubka84 [21]3 years ago
8 0

Answer:

C - show 7 neutrons in the nucleus

Explanation:

Use process of elimination:

-Answer A will not work because electrons are not in the nucleus.

-Answer B will change the atom's identity from nitrogen to fluorine; it will not work.

-Answer D will create a nitrogen ion, which is not what the prompt is asking for (an atom); it will not work.

The only logical answer is C, as that is the only one that is also true.

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Answer: both compounds have ionic bond between metal and non-metal

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If an unknown element didplays many extremly strong metallic properties, where is it most likely to be located on the periodic t
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A sample of iron metal is placed in a graduated cylinder. it is noted that 10.4 ml of water is displaced by the iron. the iron i
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<h3>Answer:</h3>

                 162.43 g of FeCl₂

<h3>Explanation:</h3>

Step 1: Calculate mass of Fe;

As,

                                   Density  =  Mass ÷ Volume

Or,

                                   Mass  =  Density × Volume

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Putting values,

                                   Mass  =  7.86 g.mL⁻¹ × 10.4 mL

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Step 2: Calculate amount of FeCl₂;

The balance chemical equation is as follow,

                                Fe  +  2 HCl   →    FeCl₂  +  H₂ ↑

According to this equation,

       55.85 g (1 mol) Fe produced  =  110.98 g (1 mol) of FeCl₂

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Solving for X,

                    X  =  (81.744 g × 110.98 g) ÷ 55.85 g

                     X =  162.43 g of FeCl₂

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Read 2 more answers
Jason combines the two intermediate steps shown.
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Hello ur answer will be D, hope this helps :)
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