an atom has 9 protons, 8 neutrons, and 7 electrons. recreate the periodic table element square for this atom. identify the four parts.

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?