5 Questions
Which unit is equivalent to 10^-12 meters?
1 pm
What is the unit of pressure equal to 105 Nm-2?
1 bar
What is the unit of energy equal to 4.184 J?
1 calorie
What is the mass of one atom or molecule of CH4 in grams?
16 × 1.6 × 10^-24 g
What is the definition of a mole?
One mole is a collection of that many entities as there are number of atoms exactly in 12 gm of C-12 isotope.
Test your knowledge of conversion factors, atomic mass, and molecular mass in this quiz on basic concepts of chemistry. Learn about the relationships between different units of measurements and explore the mass of atoms and molecules.
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