Answer:
francium, caesium, helium
No the maximum number of electrons for "4p" is 6 so there can't be a 4p7
Answer=3
<span>Decomposition, double replacement, and synthesis are 3 types of chemical reactions.</span>
Hey there!
2.70 moles of Fe x (6.022 x 10^23) atoms of Fe = 1.63 x 10^24 atoms of Fe
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1 mole of Fe
Answer: 1.63 x 10^24 atoms of Fe
Hope this helps :)