Answer:
Iron has 30 neutrons.
A neutral iron atom contains 26 protons, 30 neutrons, plus 26 different shells around the nucleus.
Explanation:
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If there were an element above fluorine, its state would be a gas. This is because fluorine is located in the non-metal section of the periodic table which can all be found as a gas at room temperature.
A
The number of electrons/protons is the one that determines the atomic number of an element.
Answer:
A) potential energy is stored energy. Kenetic energy is energy of motion.
Answer:
B. two rounds of cell division
