Elemental and Compound Molecules SBA review

What is a compound?

• Two different elements bonded together.

• Two of the same elements bonded together.

• A mixture of different substances.

• Two substances stuck together with glue.

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Which of the following best describes a molecule?

• A chemical formula with 2 or more elements

• A chemical formula with 2 or more atoms

• A chemical formula with only one atom

• A chemical formula that has a coefficient

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Classify the Chemical formula:  $F_2$  

• Element

• Elemental Molecule

• Compound Molecule

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Classify the chemical formula:  $CH$  

• Element

• Elemental Molecule

• Compound Molecule

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TRUE OR FALSE:

Every compound is a molecule and every molecule is a compound.

• TRUE

• FALSE

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

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How many carbon atoms are there in a methane molecule?

• 0

• 1

• 4

• 5

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Which of the following is NOT a compound molecule?

• HCl

• Cl

• NaCl

• CO₂

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H₂O₂← ?
This number tells the number of atoms present.

• coefficient
• molecule
• subscript
• atom

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What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

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