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Which of these elements is chemically similar to magnesium? Sulfur Calcium Iron Nickel Potassium QUESTION 15 Silicon, which makes up about 25% of Earth's
Which of these elements is chemically similar to magnesium? Sulfur Calcium Iron Nickel Potassium QUESTION 15 Silicon, which makes up about 25% of Earth's crust by mass, is used widely in the modern electronics industry. It has three naturally occurring isotopes, 28si, 29si, and 30si. Calculate the atomic mass of silicon. Abudance % Isotope 285i 29si 30si Isotopic Mass (amu) 27.976927 92.22 28.976495 4.69 29.973770 3.09 29.2252 amu 28.9757 amu 28.7260 amu 28.0855 amu 27.9801 amu
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Chemistry The Central Science
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
12th edition
321696727, 978-0132175081, 978-0321696724
