Atomic Mass + Atomic Arrangement

Which of the following is an example model of CH₄?

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• None of these options

Tags

NGSS.MS-PS1-1

How many carbon atoms are there in C₃H₁₂O₅?

• 1

• 3

• 12

• 5

Tags

NGSS.MS-PS1-1

How many sodium atoms are there in NaCl₂?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Atoms are destroyed during a chemical reaction.

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• 

During a chemical reaction shown in the image, if the mass of C = 12 amu and the mass of O = 16 amu, what would be the mass of the product CO₂ (CO₂ has 1 carbon atom and 2 oxygen atoms).

• 12 amu

• 16 amu

• 28 amu

• 44 amu

Mass is conserved during a chemical reaction.

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•