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Using the periodic table entry of iron below, match the numbers with what they represent. (answers choices ) atomic mass the number 26 number of valence electron the number 56 atomic number the number 4 number of orbits the number 30 number of electrons in n = 3 the number 14 number of neutrons the number 2
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Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?
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To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %
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Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas
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Using the periodic table entry of iron below, match the numbers with what they represent. (answers...
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