CSA Unit 6

What is the smallest piece of an element that still has the properties of that element?

• Nucleus

• DNA

• Atom

• Molecule

What is the atomic number of the atom given in the diagram below?

• 4

• 6

• 12

• 14

Identify the parts of the atom. Match the labels A, B, C, and D with the correct parts:

• A

• electron

• C

• neutron

• B

• nucleus

• D

• proton

How many total atoms are in the chemical formula CaOCl₂?

• 2

• 4

• 5

• 6

Match the components of photosynthesis with their roles.

• B.

• yields

• A.

• products

• C.

• reactants

Identify which of the following events are examples of chemical changes. CHOOSE ALL THAT APPLY.

• Sugar is heated until it turns into a brown caramel sauce.

• Two unknown liquids are mixed together and a gas is produced.

• Chocolate syrup dissolves into warm milk.

• Toast is lightly charred in a toaster.

• A piece of paper is cut up into 12 pieces.

Ending material in a chemical equations are called _______.

• products

• reactants

• catalysts

• intermediates

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What does this diagram represent?

• Combustion Reaction

• Endothermic Reaction

• Single Replacement

• Law of Conservation of Mass

The first diagram represents which type of chemical reaction?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

The diagram represents which type of chemical reaction?

• Synthesis

• Decomposition

• Single replacement

• Double replacement