Chemistry, 23.10.2020 02:01 bryanmcmillianjr
What is the difference between endothermic and exothermic changes? Which type of change (exothermic or endothermic) is water freezing? Why? What type of matter is made of really hot and super excited (fast-moving) charged particles?
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Chemistry, 21.06.2019 16:00
Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.
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Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
What is the difference between endothermic and exothermic changes?
Which type of change (exothermic...
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