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Nezavi [6.7K]
3 years ago
10

Nitrous oxide gas is a form of

Chemistry
1 answer:
zepelin [54]3 years ago
6 0
Its a form of anaesthesia used by dentists 

hope that helsp 
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Kamila [148]

Hello there!

An Atom would be considered to be the smallest unit that would make up matter. If were to ever see a picture of an atom, they would consists of a proton, neutron, electron, and a nucleus. And all this would be called a Atom.

Your answer: Atom

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How much of a 24-gram sample of Radium-226 will remain unchanged at the end of three half-life periods?
shutvik [7]

Answer:

The right answer is "3 g".

Explanation:

Given:

Initial mass substance,

M_0=24 \ g

By using the relation between half lives and amount of substances will be:

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3

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...a metal atom will *lose* electrons to form a *positive* cation and a nonmetal atom will *accept* electrons to form an *negative* anion.
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Protects the eyes from flying objects or chemical splashes
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