Answer:
Less than 7 ph value are acidic. Greater than 7 ph value are basic.
Answer:
Lesson 3 Quiz ReturntoAssessmentList Part 1 of 4 - 4.0/ 8.0 Points Question 1 of ... in the balloon containing regular air D.Each balloon has an equal number of atoms. ... The purity of those pre-1982 pennies are really about 95% copper (5% zinc ... that had a mass of 3.11 grams, how many atoms of copper would you have?
Explanation:
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A, the protons and neutrons are heavier than electrons. The electrons orbit the nucleus, and have negligible mass.