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Nezavi [6.7K]
4 years ago
15

Which chemical equation below is balanced correctly? 3LiOH + Fe(NO3)3 yields LiNO3 + Fe(OH)3 2NaCl + CaO yields Na2O + CaCl2 Zn

+ HCl yields ZnCl2 + H2 Mg + HCl yields MgCl2 + H2
Chemistry
1 answer:
Solnce55 [7]4 years ago
4 0
The answer is 2NaCl + CaO yields Na2O + CaCl2. The balanced equation has the same number of the same element of the reactants and products.
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Answer:

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Which of the following best describes the electron cloud model? A. It shows that electrons usually carry a negative charge. B. I
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<span>Which of the following best describes the electron cloud model?

THE ELECTRON CLOUD MODEL WAS DEVELOPED BY SCHRODINGER. IT STATES THE THE ELECTRONS ARE NOT PARTICLES MOVING AROUND THE NUCLEUS IN FIXED ORBITY BUT THEIR LOCATIONS CAN ONLY BE STATED BY A PROBABILITY DENSITY IN FORM OF CLOUD AROUND THE NUCLEUS. 

THEN THE MAIN POINT OF THE CLOUD MODEL IS THAT THE ELECTRONS ARE NOT IN FIXED ORBITS AROUND THE NUCLEUS BUT THEIR LOCATION IS STATED BY A PROBABILITY FUNCTION THAT IS LIKE A CLOUD REGION.

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FALSE: ELECTRONS ALWAYS CARRY NEGATIVE CHARGE


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FALSE: ELECTRONS OCCUPY THE LOWEST-ENERGY SUBSHELLS AVAILABLE UNLESS THEY ARE EXCITED (ABSORB ENERGY)


C. It shows that electrons move quickly in circular orbits.

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D. It shows that the electrons within an atom do not have sharp boundaries.

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</span>
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