Chemistry, 04.12.2020 19:30 memoryofdale
What is the mass number of a atom that has 4 protons 4electrons 5neutrons
Answers: 2
Chemistry, 22.06.2019 19:30
What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2
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Chemistry, 22.06.2019 19:30
Describe the forces both attractive and repulsive that occur as two atoms move closer together.
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Chemistry, 23.06.2019 06:40
8. how much enthalpy/heat is transferred when 0.5113gof ammonia (nh3) reacts with excess oxygen according| to the following equation: 4nh3 +502 - 4n0+ 6h20ah = -905.4j
Answers: 1
Chemistry, 23.06.2019 07:00
The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?
Answers: 2
What is the mass number of a atom that has 4 protons 4electrons 5neutrons...
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