Jeopardy

Systems of Linear Equations

Periodic Table Review

Writing Linear Equations

Chemical Reactions and Equations

Random Chemistry Trivia

100

x + y = 7

- x - y = 12

No point of intersection (UNDEFINED)

100

The periodic table has 7 ________ and 18 _________.

periods and groups/families

100

Write an equation in standard form given that m = 1/3 and the y-intercept is at (0, 5).

- x + 3y = 15

100

Balance the reaction and determine the type of chemical reaction.

Na₂S + CaCl₂ yields CaS + NaCl

Na₂S + CaCl₂ yields CaS + 2NaCl

Double Replacement

100

Electrons in the outermost energy shell of an atom are called _________ electrons.

Valence

200

x + y = 4.5

- 2x + 4y = 6

(2, 2.5)

200

This element is in group 13 and has 66 neutrons.

Indium

200

Write an equation in slope-intercept form given the points (-4, -3) and (2, 9).

y = 2x + 5

200

CH₄ + 2O₂ yields CO₂ + H₂O

What are the reactants and what are the products?

Reactants = CH₄ and 2O₂

Products = CO₂ and H₂O

200

The starting materials of a chemical reaction are called ___________, and the substances formed are called _____________.

reactants and products

300

2x - 3y = 5

- 3x + 4y = - 8

(4, 1)

300

How many molecules of CO₂ are in 264 grams of CO₂?

300

Write an equation in standard form given the points (0, -3) and (2, -2).

- x + 2y = -6

300

Balance the equation.

CO₂ + H₂O yields C₆H₁₂O₆ + O₂

6CO₂ + 6H₂O yields C₆H₁₂O₆ + 6O₂

300

Changes of states (solid, liquid, gas) are considered ___________ change.

physical

400

4x + 3y = 18

4x = 8 + 2y

(3, 2)

400

What is the mass of three NH₃molecules? What type of compound is NH₃?

51 grams; covalent compound

400

Write the equation of the line in slope-intercept form that passes through (4, 2) and is parallel to the line y = -3/4 x - 5.

y = -3/4 x + 5

400

6CO₂ + 6H₂O yields C₆H₁₂O₆ + 6O₂

C₆H₁₂O₆ + 6O₂yields 6CO₂ + 6H₂O

Name one of the two chemical reactions above.

Photosynthesis and Cellular Respiration

400

Atoms that have either given up or taken in electrons have positive or negative charges. They are called _______.

ions

500

0.5x + y = 0

x - y = -15

(0, 15)

500

Name 3 elements that are in liquid state at room temperature.

Bromine, Gallium, Mercury, Cesium, Francium

500

Write an equation in slope-intercept form given the points (2, 13) and (4, 19).

y = 3x + 7

500

Balance the equation.

C₂H₆ + O₂ yields CO₂ + H₂O

2C₂H₆ + 7O₂ yields 4CO₂ + 6H₂O

500

Group 15 is also called the Nitrogen family, and group 16 is called the Oxygen family. What are groups 17 and 18 called?

Halogens and Noble Gases