Which statements accurately describe trends found in the periodic table? Check all that apply.
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Which statements accurately describe trends found in the periodic table? Check all that apply.
- Henry Moseley established a periodic table that arranges the elements by atomic number.
- The atomic mass decreases from left to right on the periodic table.
- The atomic number increases from left to right on the periodic table.
- Nonmetals create a “staircase” down the periodic table.
- Metalloids have the characteristics of both metals and nonmetals.
Answers: 2
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Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1
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According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.
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