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Achild walks 35 meters in 7 seconds. calculate the child's speed.
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How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?
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Achild walks 35 meters in 7 seconds. calculate the child's speed....
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