Atoms & Molecules
Periodic Table
Physical Changes
Chemical Changes
pH Scales
100
What is the center of an atom called?
The Nucleolus
100
What does the number 6 in this image represent?
The atomic number
100
What are the three states of matter?
Solid, liquid, and gas
100
What is a chemical bond?
A force that holds together two or more atoms.
100
What does the pH scale measure?
It measures how acidic or basic something is.
200
What makes up the nucleolus in an atom?
Neutrons and Protons
200
What does the 12.011 in this image represent?
The element's atomic weight/mass.
200
Give an example of a solid, a liquid, and a gas.
Answers will vary
200
This type of bond share electrons between the two atoms. What type of bond is it?
Possible answers: Ionic, covalent, metallic
Covalent bond
200
What does a high pH, over 7, stand for?
Base
300
What spins around the outside of an atom?
The electrons
300
What 2 groups of elements were not part of the original periodic table, but added later?
Lanthanides and Actinides
300
Tell me what state an element starts and ends during the given transition:
Melting Point: Starts __________ Ends __________
Starts: Solid
Ends: Liquid
300
In this type of bond, one atoms gives an electron to the other atom. What type of bond is it?
Possible Answers: Ionic, Covalent, Metallic
Covalent Bond
300
Where would lemon juice be found on the pH scale?
Acidic side
400
What is a molecule made of?
Several different atoms that are combined.
400
What element has the atomic number 1
Hydrogen
400
Tell me what state an element starts and ends during the given transition:
Condensation: Starts __________ Ends __________
Start: gas
End: liquid
400
During our Water Droplets experiment, we we placed droplets of colored water on top of wax paper. What happened when we used a wet toothpick and got closer to the drops of water?
The water was attracted to the stick and you could move the droplets around the wax paper.
400
What side of the pH scale would you find water?
Neither. Water is neutral.
500
Recite the Atoms and Molecules Poem with the motions.
Awesome!
500
What do the different colors represent throughout the periodic table?
What group the elements are in
500
What is Surface Tension?
A force that pulls together molecules on the surface of a liquid.
500
What happens during oxidation?
When a substance has a reaction when mixed with oxygen.
500
What is the range of the pH scale?
0-14 (or 1-14)