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olga_2 [115]
3 years ago
9

Use the periodic table to compare the sizes of ionic radii with the corresponding atomic radii or other ionic radii. Choose from

smaller and larger in the blanks below: A sodium cation is than a sodium atom. A phosphorus anion is than a phosphorus atom. A magnesium ion is than a sodium ion. A chlorine ion is than a phosphorus ion. A potassium ion is than a sodium ion.
Chemistry
2 answers:
Masja [62]3 years ago
6 0

Answer:

1 smaller

2 larger

3 smaller

4 smaller

5 larger

Explantion:

got it right on edge 2020

In-s [12.5K]3 years ago
5 0

Answer:smaller larger smaller smaller larger

Explanation:

Just took the test on edge

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Isotopes ____________ the atomic mass of an element because they have a ____________ number of neutrons.
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2000 minutes to hours dimensional analysis
elena-14-01-66 [18.8K]

Answer:

33.33 h

Explanation:

You know that

1 h = 60 min

If you divide both sides by 60 min, you get the conversion factor: 1 h/60 min = 1.

If you divide both sides by 1 h, you get the conversion factor: 1 = 60 min/1 h.

Both are conversion factors because they both equal one and multiplying a measurement by one does not change its value.

You choose the conversion factor that gives you the correct dimensions for your answer. It must have the correct dimensions on top (in the numerator),

Thus, to convert 2000 min to hours, you use the conversion factor with “h” on the top.

\text{Time} = \text{2000 min} \times \dfrac{\text{1 h}}{\text{60 min}} = \textbf{33.33 h}

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2 years ago
2. Mixtures can be made of
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I think it’s D I could be wrong
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In which direction did the following equilibrium shift when it was placed in the hot water bath? [CoCl4] 2- (aq) + 6H2O (l) ⇌ [C
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Answer:

The equilibrium position will shift towards the lefthand side.

Explanation:

[CoCl4] 2- (aq) + 6H2O (l) ⇌ [Co(H2O)6] 2+ (aq) + 4 Cl- (aq)

The equation written above in exothermic as written. That is, the forward reaction is exothermic. The equilibrium position is observable by monitoring the colour change of the solution. At the left hand side, the solution is blue but at the right hand side the solution is pink. Addition of heat (in a hot water bath) will shift the equilibrium towards the left hand side, that is formation of more [CoCl4] 2- making the solution to appear blue in colour.

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