Physics, 20.11.2020 02:30 batmanmarie2004
How did later chemists change Mendeleev’s periodic table?
A. They included physical properties such as melting point and density.
B. They used atomic number instead of atomic mass to organize the elements.
C. They used atomic mass instead of atomic number to organize the elements.
D. They included chemical properties such as bonding power.
Answers: 2
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What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )
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Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15
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Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.
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How did later chemists change Mendeleev’s periodic table?
A. They included physical properties such...
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