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Arlecino [84]
2 years ago
13

How many elements occur naturally? ОА. 6 ОВ. 25 Ос. 90 OD. 118

Chemistry
2 answers:
ludmilkaskok [199]2 years ago
6 0
There are 118 naturally occurring elements
mr_godi [17]2 years ago
6 0

Answer:C. 90

Explanation:

apex

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Answer:true

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Balance the following Chemical Equation:<br> NaBr +CaCl2-&gt; NaCl+ CaBr2
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First write all of the compounds/atoms in either side then fill in existing values and balance


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Fluorite is..
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Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.

<h3>What is the hardness of any element?</h3>

The hardness of any element may be defined as the capability of a material to oppose the process of deformation and remains in actual shape precisely.  

According to the table of hardness scales by Mohs, the increasing order of given hardness of given elements is as follows:

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To learn more about the Hardness of elements, refer to the link:

brainly.com/question/23721736

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The symbol of an element is represented by (a) Calculate the number of neutrons in the atom of X. [1mark] (b) State the number o
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Answer:

The question is incomplete.

A sample question and solution is given below.

Check the attachment for explanation.

Explanation:

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