Answers: 3
Chemistry, 22.06.2019 06:00, citlalli30
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 09:00, miller5452
Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent
Answers: 1
Chemistry, 22.06.2019 10:00, aschool2000
Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size
Answers: 2
Chemistry, 22.06.2019 11:00, hannah5143
The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
Answers: 2
How does the color of candle affect how fast it burn ,what is the inpendent variable and dependent v...
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