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Dmitry [639]
3 years ago
7

HELP PLEASE TIMED!!!

Chemistry
1 answer:
klemol [59]3 years ago
8 0
An 'alpha particle' is the same thing as the nucleus of a helium atom ... 
a little bundle made of 2 protons and 2 neutrons
.A 'beta' particle is an electron.

The mass of an alpha particle is more than 7,000 times the mass of an electron, so it certainly takes more energy to get it moving.
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The answer is there is a one-to-one ratio of potassium ions to iodide ions.

Explanation :

- (K) belongs to Alkali metals in group (1A) that contains (1) electron in the outermost energy level, whereas, (I) is from halogens in group (7A) that contains (7) electron in the outermost energy level.

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- The valency (number of electrons lost, gained or shared) of both atoms is equal ”monovalent” which means one-to-one ratio..


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Answer:

the answer is A

Explanation:

I dont really have an explanation but hope it helps

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