This is an image of ice cubes made of water. Is
water (or ice) a mixture or a
compound made up of
molecules?
А.
a mixture
В.
a compound made up of molecules

it is a compound made up of molecules

sodium (na), for example, has one electron in its valence shell. this is an unstable state because that valence shell needs eight electrons to be full. in order to fill its valence shell, find a way to add seven electrons to its valence shell

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.