Share Science -- chemistry chapter 7
Save to Folder
What is a chemical change
chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the
What is a physical change?
change in the physical properties of a substance, as size or shape
Is milk spoiling an example of physical change or chemical change
Chemical Change
Is metal rusting physical or chemical
chemical
Is painting your bedroom walls physical or chemical change
physical
Is blowing bubble in chocolate milk physical or chemical change
Physcial
When mixing two hydrogen atoms and one oxygen atom you create a singular water molecule. Is this a physical or chemical change.
Chemical
What is law of conservation of mass
This law states that matter cannot be created nor destroyed
what is the chemical formula for Hydrogen Peroxide
H2O2
What particle(s) make up an atom
Neutrons, electrons, and protons
Where are valence electrons located
The outer ring of an atom
What charge does a neutron have
No charge
What charge does an electron have
negative charge
What charge does a proton have
Positive Charge
Where are electrons found
Electron cloud
Where are protons found
In the nucleus
