Chemistry, 02.12.2020 21:50 esme06quirino
The movement of the liquid in a thermometer shows changes in
temperature. An increase in temperature indicates the molecules in
the liquid
1) moved slower and closer together
2) move faster and spread farther apart
3) contracted in size when heated
4) expanded in size when heated
Answers: 3
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Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle
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How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
Answers: 2
Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
Answers: 2
Chemistry, 22.06.2019 23:00
What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
Answers: 3
The movement of the liquid in a thermometer shows changes in
temperature. An increase in temperatur...
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