Which of the following chemical formulas represents a molecule?
H2 CO2 SiO2 NH3...
Chemistry, 04.03.2021 18:20 pippalotta
Which of the following chemical formulas represents a molecule?
H2 CO2 SiO2 NH3
Answers: 3
Chemistry, 23.06.2019 02:30
Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .
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Chemistry, 23.06.2019 05:30
Suppose you discovered a new element with 120 protons and 2 electrons in its outer level . i'm what group does this new element belong? what properties would you expect it to have
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