Question 5 of 5 The rows in the periodic table are - id5514669291 от Sillydork4545 10.09.2021 19:12

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Chemistry: Question 5 of 5 The rows in the periodic table are called periods. What is true about elements in the same period? O A. They have the same atomic mass. B. Their atomic numbers increase by 1 from left to right. C. Their magnetism increases in strength from left to right. D. They have similar chemical properties. SUBMIT

Sillydork4545 · Accepted Answer

2.22×10⁻⁹ MExplanation:Applying,[OH⁻][H⁺] = 1×10⁻¹⁴ Equation 1Where [OH⁻] = Hydroxyl ion concentration, [H⁺] = Hydrogen ion concentration.make [OH⁻] the subject of the equation,[OH⁻] =  1×10⁻¹⁴/[H⁺] Equation 2From the question,Given: [H⁺] = 4.51×10⁻⁶ MSubstitute into equation 2[OH⁻] = 1×10⁻¹⁴/4.51×10⁻⁶[OH⁻] = 2.22×10⁻⁹ M...

Question 5 of 5 The rows in the periodic table are called periods. What is true

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