Elements in the same group in the periodic table have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level. Group 1 elements are reactive metals called the alkali metals.
I think it’s C or A I’m not sure
Answer:
Astronomy: Planetary motion galaxies.
Chemistry: Composition of matter.
Geology: Physical structure of the Earth.
Physics: Natural laws of the universe.
Explanation:
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Cha Ching, just got my points on deck