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Viefleur [7K]
3 years ago
7

Decide which element probably forms a compound with chlorine that has a chemical formula most and least similar to the chemical

formula of the compound formed by chlorine and rubidium. Comparing chemical formula of compound formed with chlorine: phosphorus beryllium magnesium lithium most similar to rubidium least similar to rubidium
Chemistry
1 answer:
Degger [83]3 years ago
8 0

Answer:

Most similar - Lithium

Least similar - Phosphorus

Explanation:

Rubidium is an element in group 1A of the periodic table. It is a metal and forms an ionic compound with chlorine. The formula of the compound is RbCl.

If we look at the options, Lithium is also a group 1A element and forms an ionic compound with chlorine having the formula LiCl which is very much similar to RbCl chemically.

Phosphorus is a nonmetal. Its compounds with chlorine, PCl3 and PCl5 are covalent and does not resemble RbCl in any way.

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An atomic radius is about 1.00*10^2 pm. Convert the radius to inches. (1 pm=10^-12m)
natka813 [3]

Answer:

3.937 x 10⁻⁸ inches

Explanation:

Data Given:

Atomic radium in pm (picometer) = 1.00 x 10² pm

Atomic radium in inches = ?

1 pm = 10⁻¹² m

Solution:

First convert picometer to meter

As we Know

  1 pm = 10⁻¹² m

then

  1.00 x 10² pm = X meter

Do cross multiplication

        X meter = (1.00 x 10² pm)(10⁻¹² m) / 1 pm

       X meter = 1 x 10⁻⁹ m

So, 1.00 x 10² pm equal to 1 x 10⁻⁹ m

Now convert meter to inches

As

         1 m = 39.37 inches

         1 x 10⁻⁹ m = X inches

Do cross multiplication

        X inches = (39.3701 inches)(1 x 10⁻⁹ m ) / 1 m

        X inches = 3.937 x 10⁻⁸ inches

So,

1.00 x 10² pm = 3.937 x 10⁻⁸ inches

so the radius is 3.937 x 10⁻⁸ inches

4 0
2 years ago
Which method would be the best to use in order to separate a mixture of water and rubbing alcohol?
musickatia [10]
The answer is B. filtration
5 0
3 years ago
Which situation is the best example of regulation in an economic system?
velikii [3]

Hope this helps!

Answer: The correct option is: "A state agency has been created to monitor the production and distribution of sports drinks."

Explanation:

The economic regulation are the provisions through which the government intervenes in the markets to set prices or quantities of production, or establish technical specifications and in general, restrictions that must be met by citizens and companies to participate in a market.

5 0
1 year ago
What are the names of the positive and negative electrodes of an electrolytic cell?
xz_007 [3.2K]

Answer:

the positive electrode is an anode, and the negative electrode is a cathode.

Explanation:

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2 years ago
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snow_lady [41]

Physical Properties: Sodium bicarbonate is an odorless, white crystalline solid or fine powder. It has a slightly alkaline taste. Its density is 2.20 g mL-1 and it decomposes in temperatures above 50 ºC. The decomposition yields to sodium carbonate. It is highly soluble in water and poorly soluble in acetone and methanol. It is insoluble in ethanol.

Chemical Properties: Sodium bicarbonate is an amphoteric compounds, it means the compound has a character acids an basic at the same time.  It is highly soluble in water, resulting in a slighty alkaline solution.


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2 years ago
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