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1st Six Weeks 2024-2025
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Element or Compound: NaCl
Compound
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Element or Compound: H2O
Compound
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How many atoms of magnesium are in 2MgOH?
2
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How many atoms of Oxygen are in 2NO2
4
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What is the ratio of Hydrogen to Oxygen in H2O?
2 to 1
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TRUE OR FALSE: Flammability is a chemical property
True
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Element or Compound: O2
Element
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How many total atoms are there in CO2?
3
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What elements are in KBr?
Potassium and Bromine
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TRUE OR FALSE: tea is an aqueous solution
TRUE
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What is the ratio of Carbon to Oxygen in CO2?
1 to 2
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Element or Compound: Glucose molecule
Compound
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How many total atoms are in 3 NaCl?
6
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What elements are in H2O?
Oxygen and Hydrogen
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How many elements are in HCl?
2
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What elements are in Fe2O3?
Iron and Oxygen
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How many total atoms are in 2 CaSiO3?
10
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TRUE OR FALSE: Luster is a physical property
True
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Physical or Chemical: water freezing
Physical
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How many total atoms are there in C2H6?
8
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Physical or Chemical: rusting
Chemical
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Physical or Chemical: Ripping paper
Physical
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Physical or Chemical: breaking glass
Physical
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Physical or Chemical: dissolving kool aid in water
Physical
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TRUE OR FALSE: Ductility and mailability are chemical properties
False
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How many atoms of carbon are in 2HeCH?
2
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Element or Compound: Au
Element
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Element or Compound: Carbon atom
Element
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Physical or Chemical: Baking cookies
Chemical
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Physical or Chemical: digestion
Chemical
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Salt is dissolved in water. Which is the solvent?
Water
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How many elements are in HCN?
3
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Physical or Chemical: melting ice cream
Physical
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Physical or Chemical: formation of bubbles and heat
Chemical
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Salt is dissolved in water. Which is the solute?
Salt
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What is the universal solvent?
Water
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What elements are in NaCl?
Sodium and Chlorine
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How many atoms of bromine are in LiBr4?
4
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How many elements are in O2?
1
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How many elements are in C6H12O6?
3
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What is produced when milk spoils?
Odor and gas
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What elements are in CO2?
Carbon and Oxygen
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What elements are in CH4?
Carbon and Hydrogen
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TRUE OR FALSE: oil is an aqueous solution
FALSE
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Physical or Chemical: photosynthesis
Chemical
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What is produced with fireworks?
Sound and light
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