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maksim [4K]
3 years ago
12

Which is easier to observe, physical or chemical properties? why?

Chemistry
2 answers:
tiny-mole [99]3 years ago
8 0
<span>Physical properties are easier to observe than chemical properties as they include characteristics such as color, texture, etc. while to observe chemical properties, testing must be done of the substance such as heating the substance up to determine at what temperature it will combust</span>
atroni [7]3 years ago
7 0

Answer:  Physical Properties

Explanation: Physical Properties are the properties which can be observe through naked eyes.

Chemical properties are the properties which induces any chemical change in the identity of the molecule.

Physical properties include color, smell, texture etc which can be easily observed but chemical properties include mass, volume reactivity which can only be observed when any changes in the chemical identity of the substance takes place.

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Enter the atomic symbol, including mass number and atomic number, for iodine-125.
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Explanation:

Iodine - 125

The atomic symbol of iodine is ¹²⁵₅₃ I

The symbol for iodine is I

The atomic number of iodine is 53,

and the atomic mass of iodine is 125 .

<u>The representation of the atomic symbol is as, the atomic mass is written in uppercase and the atomic number is written in lower case , followed by the symbol of the element .</u>

Iodine is a radio active element , used for many biological process .

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The first is iodine-129 .

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