Answer:
Potassium sulfate
Explanation:
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Answer:
Stars which never disappear below the horizon are called <u>circumpolar</u> stars.
<span>a chemical change results in the formation of one or more new substances</span>
The chemical symbol that represents the element silver is B. Ag
Answer;
-(3) an atom in an excited state
Explanation;
-An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes an atom in an excited state.
-Ground state is the lowest allowable energy state of an atom. When electrons are subjected to stimuli like heat, light or electricity an electron may jump to a higher energy level, which is the excited state. Excitation is the elevation in energy level above the baseline energy state.