1) What is the first element on the periodic table? a) salt b) helium c) hydrogen d) lithium 2) Which element has an atomic number of 24? a) chromium b) nitrogen c) sodium d) silicon 3) What are the atomic numbers numbers of the noble gases? a) 6, 7, 8, 9, 10, 12 b) nothing such as noble gases c) IDK d) 2,10,18,36,54,86

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