Atoms, Mass and The Mole
For this atoms, mass and the mole worksheet, learners are given 18 problems to solve for the number of atoms, the mass of the substance or the moles of the substance. Students show their work and include all the units of measurements.
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Moles, Atoms, Grams Oh My!
Provide young chemists with the opportunity to fully understand the mole concept. Learners measure various substances in teams, perform required calculations, and have the opportunity to discuss the accuracy of their results with peers....
9th - 12th Science CCSS: Adaptable
New Review Chemistry: Stoichiometry Part 2—Mass to Mass Conversions
The term stoichiometry derives from the Greek words stoicheion meaning element and metron meaning measure. The second Socratica video in a two-part series within a larger chemistry playlist introduces more complex stoichiometry problems....
5 mins 9th - 12th Science CCSS: Adaptable
New Review Chemistry: What Is the Mole (Avogadro's Number)?
Avogadro did not find or create Avogadro's number—it was just named after him out of respect for his work. The Socratica chemistry playlist presents a must-see video introduction to the mole. It details how to convert to moles from mass,...
10 mins 9th - 12th Science CCSS: Adaptable
New Review Chemistry: Average Atomic Mass (AMU, Daltons, etc.)
Scientists created a new measurement, the atomic mass unit, which is defined as carbon 12 = 12amu. So why isn't carbon listed as having exactly 12 amu on the periodic table? An installment from the Socratica chemistry playlist answers...
7 mins 9th - 12th Science CCSS: Adaptable