Physics, 30.03.2021 02:20 momneedshelphmwk
7. What causes some metallic bonds to be stronger than others?
A. the number of donated valence electrons
B. the number of metallic bonds
C. the fineness of the metal
D. the number of metal ions
Answers: 2
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An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
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7. What causes some metallic bonds to be stronger than others?
A. the number of donated valence ele...
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