Fast fast fast
13. an element whose nucleus breaks down is
-plutonium
-oxygen
...
Fast fast fast
13. an element whose nucleus breaks down is
-plutonium
-oxygen
-neon
-allotrope
23. choose all that apply. What [Na]+ forms with [Cl]-
-sodium chloride
-ionic bond
-covalent bond
-table salt
12. the most common element in the human body is what?
-hydrogen
-phosphorus
-calcium
-oxygen
4. what element never combines in nature?
-nitrogen
-hydrogen
-xenon
-carbon
17. all of __ are radioactive and rarely found on nature
-noble gases
-metalloids
-actinides
-alkali metals
2. why is hydrogen grouped with alkali metals?
-it has one electron in its outer energy level
-it is a gas
-it is a Metal
-it does not readily form compounds
Answers: 1
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In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.
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How many moles of bromine are needed to produce 3.23 moles of potassium bromide
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The data below were determined for the reaction shown below. s2o82β + 3i β (aq) β 2so42β + i3β expt. # [s2o82β] (m) [i β] (m) initial rate 1 0.038 0.060 1.4 Γ 10 β 5 m/s 2 0.076 0.060 2.8 Γ 10 β 5 m/s 3 0.076 0.030 1.4 Γ 10 β 5 m/s the rate law for this reaction must be:
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