Answer:
In particular, cesium (Cs) can give up its valence electron more easily than can lithium (Li). In fact, for the alkali metals (the elements in Group 1), the ease of giving up an electron varies as follows: Cs > Rb > K > Na > Li with Cs the most likely, and Li the least likely, to lose an electron.
Explanation:
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Group 1A, the alkali metal group. This group of elements has only one electron in their outer valence shell when neutrally charged; if the atom loses this one electron to become positively charged (1+), the next shell in becomes the valence shell and is completely filled.
Explanation:
