Choose the best answer among A, B, C, or D to complete the following sentence
Scientists from Russia, America and Japan have recently filled the periodic table’s seventh row with four _________ chemical elements.
heavily superheavy heavy heaveMôn học
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Chủ đề
Choose the best answer among A, B, C, or D to complete the following sentence
Scientists from Russia, America and Japan have recently filled the periodic table’s seventh row with four _________ chemical elements.
heavily superheavy heavy heave