Chemistry, 19.10.2019 05:00 iiomqjessica
1. in a compound, which type of bond is the sharing of electrons between adjacent atoms?
a. nuclear bond
b. electric bond
c. chemical bond
d. hydrogen bond
2. two compounds are mixed and light is emitted, the color changes, and heat is liberated.
which activity has occurred?
a. chemical reaction
b. chemical mixture
c. chemical nucleus exchange
d. chemical compromise
3. which sodium reacts with chlorine to make sodium chloride (table salt), which term applies to sodium chloride?
a. reactant
b. mixture
c. evaporate
d. product
4. which name is given to a reaction in which the number of each atom on one side of the equation is equal to the number of the same kind of atoms on the other side of the equation?
a. complete
b. atomic
c. balanced
d. electrical
5. in the reaction na + ci - - - > naci, which statement indicates whether the equation is balanced?
a. visual evidence is necessary to determine the balance of the reaction
b. atoms of the same kind are of equal number on either side of the arrow
c. atoms of the same kind are not of equal number on either side of the arrow
d. evidence of the heat reaction is necessary to tell whether the equation is balanced.
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Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?
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1. in a compound, which type of bond is the sharing of electrons between adjacent atoms?
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