Chemistry, 20.01.2020 23:31 larkinc2946
Identify all of the following that are chemical changes:
a. leaves turning color in the fall
b. dew forms on a blade of grass
c. ethanol evaporates
d. sugar dissolves in water
e. dry ice sublimes
f. charcoal burning
Answers: 1
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Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 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.
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The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles
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What type of chemical bond is formed between two atoms of bromine 1. metallic 2. hydrogen 3. ionic 4. covalent
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Identify all of the following that are chemical changes:
a. leaves turning color in the fall...
a. leaves turning color in the fall...
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