Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Periodic Table And Chemical Formulas
Test Description: Questions are based on Texas 8th grade science objectives.
Instructions: Answer all questions to get your test result.
1) Which of these elements has chemical properties most similar to oxygen?
A
Potassium
B
Sulfur
C
Nitrogen
D
Kotchavarium
2) On the periodic table, the elements in each column, or group have....
A
similar chemical and physical properties.
B
the same atomic number, but different atomic mass.
C
a solid structure at room temperature.
D
been divided into representative elements and transition elements.
3) Which of the following elements has the largest atomic number within two energy levels?
A
Sodium
B
Neon
C
Argon
D
Lithium
4) In which group would you find the least reactive elements?
A
Group 15
B
Group 13
C
Group 18
D
Group 1
5) Which of the following compounds contains a total of 5 atoms?
A
Water H2O
B
Ammonia NH3
C
Methane CH4
D
Glucose C6H12O6
6) A subscript in a chemical formula tells you....
A
how many atoms of a specific element are in the compound
B
how many different atoms there are in the compound.
C
what the symbol for a specific element is.
D
how many total atoms of all kinds are in the compound.
7) How many Hydrongen (H) atoms are in water (H2O)?
A
2
B
1
C
3
D
0
8) A student observes some sugar as it is heated and burns. Which of the following observations would lead to the conclusion that a chemical reaction has taken place?
A
Heat is added to the sugar crystals
B
The temperature of the sugar increases.
C
The sugar melts and becomes a liquid.
D
Gas is produced and sugar turns black.
9) An American Starburst firework gives off red, white, and blue light. How did the fireworks manufacturer get the firework to produce three different colors of light?
A
The same chemical burned at three different temperatures.
B
The same chemical burned at three different heights.
C
The chemicals in the rocket were red, white, blue.
D
There were three different chemicals burned in the explosion.
10) The green color in an unripe banana comes from chlorophyll. As the banana ripens, the chlorophyll breaks down and reveals a yellow color. What evidence suggests a chemical reaction has occurred?
A
The formation of light.
B
The formation of a solid.
C
The color changed.
D
The change in odor.
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?