Chemical Reactions and Equations for Biology

Chemical Reactions and Equations for Biology

by Victoria Southard

Multiple Choice

A Substance that cannot be further broken down by any physical or chemical means is a(n).....

• Element

• Compound

• Molecule

• Colloid

Multiple Choice

A pure substance formed when two or more different elements combine.

• Element

• Compound

• Molecule

• Not this one

Multiple Choice

What is made from one or more types of atoms? 

• Element

• Compound

• Molecule

Multiple Choice

$$NaCl$$   is a(n): 

• Element

• Compound

• Molecule

Multiple Choice

$$Hydrogen\ \left(H\right),\ Helium\ \left(He\right),\ and\ Lithium\ \left(Li\right)\ are\ all:\$$  

• Elements

• Compounds

• Molecules

Multiple Choice

$$C_6H_{12}O_6\$$ (glucose)   is a(n)

• Element

• Compound

• Molecule

Multiple Choice

What is an indicator that a chemical reaction has taken place?

• Production of heat or light

• formation of new gas

• Formation of new solid

• all of the above

• formation of new liquid

Open Ended

Write 3 things you learned in the video you just watched.

Multiple Choice

What are starting substances called that on the left side of the arrow in a chemical equation?

• products

• reactants

Multiple Choice

What are the resulting substances of a chemical reaction that are seen on the right side of the arrow in a chemical equation?

• Reactants

• Products