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Sever21 [200]
3 years ago
13

What are the classification of most of the elements described as?

Chemistry
2 answers:
pochemuha3 years ago
7 0

Answer:

periodic

Explanation:

Elements are organised in the <em>periodic</em> table of elements, which is essentially a big table that lists elements in order by increasing atomic number and atomic mass.

Each row of a periodic table is called a 'period', and when elements are arranged in the above-described way, there is a repeating pattern because each column has elements that share properties. So as you move across a period (or row), you get elements of different properties, but as you move across another period, you get different elements with similar properties as before.

Thus, it's periodic.

irga5000 [103]3 years ago
7 0

The classification of most elements are described as metals.

In the picture below you will see the periodic table. It will show you elements that are metals, semi-metals, or non-metals.

As you can see in the image, most of the elements are classified as metals which proves that the answer is metals.

Best of Luck!

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Why do lumps of sodium carbonate react more slowly than powdered sodium carbonate
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2 years ago
A solution labeled "0.105 M NaOH" would contain ______________ moles of NaOH in each liter of solution.
dem82 [27]

Answer:

A solution labeled "0.105 M NaOH" would contain 0.105 moles of NaOH in each liter of solution.

Explanation:

The concentration of a solution in Molarity (M) stands for the number of moles of that substance contained in 1 L of solution.

Molarity = Concentration in mol/L = (Number of moles of solute) ÷ (Volume of solution in L)

Molarity = Concentration in mol/L = 0.105 M = 0.105 mol/L

Number of moles of solute = ?

Volume of solution in L = 1 L

0.105 = Number of moles of solute × 1

Number of moles of solute = 0.105 mole

Hence, a solution labeled "0.105 M NaOH" would contain 0.105 moles of NaOH in each liter of solution.

Hope this Helps!!!

7 0
3 years ago
Why can you change physical properties and not make a new substance but can't change chemical properties and stay the same?
maxonik [38]

Answer:

Well this has a good chance of being wrong but i wanna say,

When you change a physical property of something it doesn't affect the chemicals that make it up. Like Ice, you can freeze water to make ice. You change a physical property (state of matter) but it's chemical properties don't change because in the end it's still water.

However if you remove a chemical property from something you are changing what made the new substance with will also change the substance along with it.

That's just what I think though

Explanation:

8 0
3 years ago
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