Largest atomic size Smallest atomic size

Arrange the following species in order of decreasing atomic size from top to bottom

Ar
Br-
Se2-
Kr
Sr2+

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What is i fracture in the crust called when land move up, down or sideways

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?