Biology, 03.09.2020 14:01 nnance4784
If an element contains six electrons, how many will be placed in the second valence shell?
A. 8
B. 4
C. 2
D. 6
Answers: 3
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Need will mark ! which features are created by groundwater erosion and deposition? check all that apply. a. stalagmitesb. sinkholesc. rillsd. stalactites e. gullies f. rivers
Answers: 1
If an element contains six electrons, how many will be placed in the second valence shell?
A. 8
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