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KenzieSparkles
17.12.2019 •
Chemistry
An atom of an element with atomic number 48 in mass number 120 contains how many electrons
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Ответ:
48
Explanation:
So all we have to consider here is the atomic number. Remember that in a neutral atom the amount of electrons = the amount of protons.
Also that the atomic number = the number of protons.
So we can say that in an atom with atomic number 48, there are 48 protons and therefore 48 electrons.
Ответ:
Explanation:
Atoms with a low electronegativity, like lithium, have a weak attractive force for electrons because they have few valence electrons and aren't close to having eight valence electrons.