1. Mohamed is learning about the uses of diamond. He knows that diamond is used in cutting tools. Why is diamond used in cutting tools?
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Chapter 5: Chemical Bonding + Chapter 6: Stoichiometery
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2. Xia is learning about the octet rule. She understands that atoms tend to achieve eight electrons in their valence shell. Which of the following elements satisfies the octet rule in its most common state?
3. Zayn is learning about the arrangement of particles in different substances. He knows that in ionic compounds, particles are arranged in a regular, repeating pattern called a crystal lattice. What is the arrangement of particles in a metallic crystal?
4. To convert mass into moles, we divide by:
5. Gram molecular mass is the mass of:
6. Yusuf is calculating the formula mass of Al2O3. He knows Al=27 and O=16. What is the formula mass?
7. The reactant that limits the amount of product formed is called:
8. Ming has 0.5 moles of water (H2O). He wants to calculate the mass of water. The molar mass of water is 18 g/mol. What is the mass?
9. Chloe is converting grams to moles. She has 20 grams of NaOH (Molar mass = 40 g/mol). How many moles is this?
10. To convert moles into particles, we multiply by: