umm how do you begin answering that ??
Answer:
A change in form or appearance of matter
Explanation:
A, because the number of valence shell electrons (outer shell electrons) tells us how much the element or compound wants to bond or give up electrons. Most compounds and elements want to have eight valence ectrons in it's outer ring. So if an atom is far away from having eight, it will want to react more often.
Answer:
an alkali
Explanation:
an alkali is a base that is slightly soluble in water
It makes it thinner to calcite the rhythm