Chemistry, 22.07.2019 03:30, rubincain698
During a reaction, a halogen chemically combines with a group 1 element to form a compound. how does this reaction occur, based on the atomic structure of each element? a) a halogen atom loses an electron to an atom of group 1 element b) a halogen atom gains an election from an atom of a group 1 element c) a halogen atom loses two electrons to an atom of a group 1 element d) a halogen atom shares an electron with an atom of a group 1 element
Answers: 1
Chemistry, 21.06.2019 16:10, amuijakobp78deg
Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer
Answers: 1
Chemistry, 22.06.2019 06:30, backup5485
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
During a reaction, a halogen chemically combines with a group 1 element to form a compound. how does...
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