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

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5