Chemical Reactions

Atoms and Molecules -- Genius Challenge

Multiple Choice

How many elements are in the periodic table?

• 118

• 98

• 88

• 57

Fill in the Blank

There are ________ periods and _______ groups in the periodic table.

Multiple Select

Coffee, lemons, and vinegar are examples of _______?

• bases

• acids

• salts

• ions

Multiple Choice

C₆H₁₂O₆ is an example of a/an

• ion

• molecule

• enzyme

• none of the above

Fill in the Blank

The end result of a chemical reaction is a

Fill in the Blank

An elements (or ion) that initiates (i.e., to start) a chemical reaction is called a/an

Multiple Select

If you have C₆H₁₂O₆ as a reactant, then the products are

• CO₂

• H₂O

• energy

• all of the above

Multiple Choice

Ammonia (NH₃) has how many ions of nitrogen?

• 2

• 3

• 1

• none of the above

Multiple Choice

2C₆H₁₂O₆ has how many ions/atom of hydrogen?

• 12

• 32

• 24

• 56

Multiple Choice

Metabolism:

Anabolism is the ____________ of molecules

• breakdown

• build-up

Multiple Choice

Metabolism:

Catabolism is the __________ of molecules.

• breakdown

• build-up