Answer:
The elements in Group 1 (lithium, sodium, potassium, rubidium, cesium, and francium) are called the alkali metals. All of the alkali metals have a single s electron in their outermost principal energy. ... For example, the electron configuration of lithium (Li), the alkali metal of Period 2, is 1s22s1.
<span>All of the mechanisms work together to cool the pot of boiling water. </span>Hope this helps!
Answer: D
Explanation:
A has more kg/mass than B