Conservation of Mass Quiz

What is one way to show mastery of the topic discussed in the document?

• Writing essays about chemistry

• Accurately counting atoms

• Conducting experiments

• Reading scientific articles

Which of the following is a learning target related to the Conservation of Mass?

• Learning about chemical bonds

• Identifying products and reactants

• Understanding atomic structure

• Learning about chemical reactions

What is a sign of understanding the topic according to the document?

• Memorizing chemical symbols

• Identifying products and reactants

• Writing scientific reports

• Conducting chemical experiments

What crosscutting concept is mentioned in the learning material?

• Energy and Matter

• Scale, Proportion, and Quantity

• Systems and System Models

• Structure and Function

What is the main idea of the conservation of mass?

• Atoms can be destroyed.

• Atoms can change into different elements.

• The total number of atoms remains unchanged.

• Atoms can be created from nothing.

What is the final step in checking the conservation of mass in a chemical equation?

• Count the atoms

• Multiply by coefficients

• Double check if the number of each type of atom is equal on each side

• Add more atoms

What is the third step in balancing a chemical equation?

• Count the atoms

• Check if all atoms are present

• Multiply by coefficients, if necessary

• Double check the equation

What is the fourth step in balancing a chemical equation?

• Count the atoms

• Check if all atoms are present

• Multiply by coefficients

• Double check if the number of each type of atom is equal on each side

What is the chemical formula for water?

• H₂O

• O₂H

• HO₂

• H₂O₂

What is the color used to represent hydrogen atoms in the diagram?

• Red

• White

• Blue

• Green