Определите номера периода, группы, количество электронов, протонов, нейтронов, заряд ядра, принадлежность к металлам или неметаллам элемента №12 (срочно)

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

What effect might melting sea ice have for people who live in coastal areas?