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exis [7]
3 years ago
5

What can you say about an atom with 4 protons, 2 neutrons, and 5 electrons?

Chemistry
1 answer:
iren2701 [21]3 years ago
5 0

Explanation:

This is a neutral beryllium atom

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A substance registers a temperature change from 20 to 40 to what incremental temperature change does this correspond
ss7ja [257]

<u>Given:</u>

Initial temperature, T1 = 20 C

Final temperature, T2 = 40 C

<u>To determine:</u>

The temperature change

<u>Explanation:</u>

Convert degree C to Kelvin

Temperature in Kelvin = degree C + 273

T1 = 20 + 273 = 293 K

T2 = 40 + 273 = 313 K

Incremental temperature change = T2 - T1 = 313-293 = 20 K

Ans: The temperature change in kelvin is 20 K

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3 years ago
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Answer:

The answer to your question is: letter A

Explanation:

If an atom lose 3 electrons its charge will be positive, it will be +3

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Answer:

Homeostasis

Explanation:

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By Using relative and radiometric dating methods hope this helps!!

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mojhsa [17]

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