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andre [41]
3 years ago
14

Elements in the same group have similar properties because they have the same number of ?

Chemistry
2 answers:
Masja [62]3 years ago
8 0
Because their electronic configurations have the same number of electrons in the outermost shell. 
solmaris [256]3 years ago
8 0
Elements in the same group in the periodic table<span> have similar chemical properties. This is because their atoms have the same number of </span>electrons<span> in the highest occupied energy level. Group 1 elements are reactive metals called the alkali metals.</span>
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