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Which phrase describes an atom?
a positively charged electron cloud surrounding a positively charged nucleus
a positively charged electron cloud surrounding a negatively charged nucleus
a negatively charged electron cloud surrounding a positively charged nucleus
a negatively charged electron cloud surrounding a negatively charged nucleus


Sagot :

a negatively charged electron cloud surrounding a positively charged nucleus, the third one is the right answer.

Nucleus consists of e
lectrically neutral neutrons and positively charged protons, so it is positively charged. Electrons, on the other hand are negatively charged. Electromagnetic force bounds atoms to the nucleus.

Answer:

3

Explanation:

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