Elements
What is the symbol for Boron?
B
Is a fruit being cut in half a chemical or physical change?
Physical
Name an example of a chemical reaction?
Anything?
What is the charge of a proton?
Positive
What molecule do we breathe in?
O2 (Oxygen)
What two elements make up the following molecule: NH4
Nitrogen and Hydrogen
Name two types of chemical changes.
Fizzing, Bubbling, Exploding, Color Changing...
What happens when you mix hydrogen peroxide, yeast, water, and soap?
It rapidly foams up.
What are the parts of the nucleus?
What is the first element on the periodic table?
Hydrogen
What is the name of the following molecule: NaCl?
Sodium Chloride (AKA Salt)
What kind of change would occur when bending a metal pipe using fire?
Physical
What is the scientific term we use for yeast when referring to a chemical reaction?
Activator or Catalyst
Electrons, Protons, Neutrons, and the Electron Cloud
What is the most abundant element in the air?
Nitrogen
What elements are needed for the sugar molecule?
Carbon, Hydrogen, Oxygen (C6H12O6)
When mixing baking soda and vinegar, what is an indicator that a chemical change has occurred?
Fizzing or Bubbling
Name two types of things that react with baking soda.
Lemons and Vinegar
What is the name of correct version of the atom model?
Bohr's Model
What is the chemical symbol for the element: Gold?
Au
What are the two molecules we breathe out?
Carbon Dioxide and Water
What is the difference between a chemical and physical change in detail?
Chemical change indicates a change in the molecular composition, while a physical change only changes the shape or appearance of an object.
What is the chemical reaction plants go through to create oxygen?
Photosynthesis
What is the difference between the Rutherford's Model (Old) and the Bohr's Model (New)?
The Rutherford's model used oval rings, while the Bohr's model used an electron cloud.
How many of each atom is in the following molecule: C10H12O10N6
10 Carbon, 12 Hydrogen, 10 Oxygen, and 6 Nitrogen