How many protons neutrons and electrons are in fluorine and in bromine

Drag each item into the proper state of matter category.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?