Question

Valence Electrons 1 Quick Check 4 of 54 of 5 Items Question Use the periodic table to answer the question. Which element has atoms with valence electrons in a higher energy level than those of calcium (Ca)? (1 point) Responses cesium (Cs) cesium (Cs) lithium (Li) lithium (Li) bromine (Br) bromine (Br) oxygen (O)

1 year ago