electron microscopy and scanning tunneling microscopes gives us a greater understanding of atoms by being able to see the atom itself, and lets us see some atomic reactions.
explanation:
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the answer is the first option
explanation:
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what is the average time it took the car to travel 0.25 meters?
⇒ 2.23 seconds
what is the average time it took the car to travel 0.50 meters?
⇒ 3.13 seconds
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every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.
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Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.
Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?