Chemistry

Which pair of atoms are isotopes of each other?aoxygen-16 and oxygen-18carbon-14 and nitrogen-14iodine-131 and iodine-131edradium-222 and radon-222
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I WILL GIVE U BRAINLIEST IF U HELP ME!!!!!
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Wich statement best describes the progress of science
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WHAT MAKES ELECTRONS JUMP TO OTHER ORBITS AROUND THE NUCLEUS THEN FALL AGAIN
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in what and what no energy is used?
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what best explains the cause of strong winds on a island?
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A block weighing 13.15 grams has sides of 11.5 cm, 5.75 cm, and 8.44 cm. What is the density of the block in g/cm?0.519 g/cm3 0.0236 g/cm3 42.4 g/cm 1.95 g/cm
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3. Except for the bolt, note the difference between the calculated volumes and the volumefound by the displacement method. Which method is more accurate? Why?
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Lily feels tired and weak in the evenings after work. Before starting her chores, she eats dinnner. Which characteristic of life does Lily Exhibit?
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An antacid tablet contains 640.0 mg of magnesium oxide per tablet.What volume of 0.1000 M stomach acid (HCI) could one tablet neutralize?
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Alien Periodic Table
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Which is the larger atom As or P
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An object is either copper or brass. The density of copper is 8.96g/ml. The density of brass is 8.73g/mL. I find that my object is 10.08and has a volume of 1.15mL. What is my object made of?Your answer:O CopperO BrassO Cannot tell from the information given
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The smallest possible particle of an element is a(n)RE??
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Eugene describes the physical property of a material as sweet and floral. What physical property of the material is Eugene most likely observing?boiling pointshapehardnessodor
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Can someone check if I did this right pls
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As the atomic number of elements increases across a period on the periodic table, the atomic radius
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Which periodic gruop has the smallest atomic radiis
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Plz help!Covalent bonding is referred to as sharing electrons. Is it really sharing? Why or why not?
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why is diamond hard
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You crumple a piece of paper in your hands. Not all of the kinetic energy from your hands is used to crumple the paper. Where does the rest of the energy go?A. It is transformed into sound energy. B. It is transformed into light energy. C. It is transformed into electrical energy. D. It is transformed into magnetic energy.
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In Natural selection, individuals whose unique characteristics are well-suited for an environment tend to survive and produce more offspring. true or false?
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Most metals are NOT ____ ? Liquid at room temperature, ductile, malleable, good conductors of heat and electricity.
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what is the estimated digit in the number 0.0643
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