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electron
mastery UK /ɪˈlɛk.tɹɒn/ US /ɪˈlɛk.tɹɑn/noun
card 1 of 10 · fill in the blank
The electron _____ of the atom determines its chemical properties.
card 1 of 10 · fill in the blank
The electron _____ of the atom determines its chemical properties.