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14.05.2021 •
Chemistry
How many electrons does an element have if its atomic number is 20
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Ответ:
20 electrons
A neutral atom with atomic number 20 will have 20 electrons.
The atomic number is, by definiton, the number of protons in an atom's nucleus but for a neutral atom it's also equal to the number of electrons. Each element has a different, unique number of protons that determines its identity.
Explanation:
Ответ:
answer: living organisms must take in energy via food, nutrients, or sunlight in order to carry out cellular processes. the transport, synthesis, and breakdown of nutrients and molecules in a cell require the use of energy.
explanation: