CHEM120 EXAMINATION SCRIPT 2026 CORRECT ANSWERS GRADED A+

CHEM120 EXAMINATION SCRIPT 2026
CORRECT ANSWERS GRADED A+

⩥Element. Answer: atom


⩥how many atoms exist. Answer: 118


⩥what is another name for atoms. Answer: Element


⩥when was the first idea of atoms first brought up and by whp was it
brought up by. Answer: Dalton ->year1808


⩥atoms cannot be____. Answer: created nor destroyed


⩥what happens when atoms add to one another. Answer: they become a
chemical compound


⩥Where are Neutrons and Protons located. Answer: nucleus


⩥the volume of an atom is. Answer: empty space


⩥protons have a. Answer: + charge

, ⩥neutrons have. Answer: neither a +/- charge


⩥protons and neutrons. Answer: same size


⩥most hydrogen atoms. Answer: have no neutrons


⩥electrons are. Answer: smaller than both P and N


⩥Electrons have. Answer: quick movement that make a cloud(barrier
protecting Nucleus)


⩥electrons are. Answer: - charge


⩥atomic number. Answer: is the number of protons you have in a
nucleus


⩥the social security of a atomic number is the. Answer: # of protons in it


⩥Isotopes are. Answer: Same element with different # of neutrons. Like
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