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#1: Which element has the same number of energy levels as bromine (Br) and the same number of valence electrons as barium (Ba)?
A. potassium (K)
B,. beryllium (Be)
c. cadmium (Cd)
D. calcium (Ca)
***not too sure on this one... is it D. calcium (Ca) ??
 one year ago
 one year ago
#1: Which element has the same number of energy levels as bromine (Br) and the same number of valence electrons as barium (Ba)? A. potassium (K) B,. beryllium (Be) c. cadmium (Cd) D. calcium (Ca) ***not too sure on this one... is it D. calcium (Ca) ??
 one year ago
 one year ago

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iheartfoodBest ResponseYou've already chosen the best response.1
#2: Which element has six energy levels? A. rubidium (Rb) B. cesium (Cs) C. potassium (K) D. sodium (Na) ***my answer: B. cesium (Cs) is that right??
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
#3: Which of the following elements has the most properties in common with beryllium (Be)? A. calcium (Ca) B. osmium (Os) C. lithium (Li) D. chromium (Cr) ***my answer: A. calcium (Ca) is that right??
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
1D looks good
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
kk what about 2 and 3?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so does 3, nice job
 one year ago
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