Define Chemistry
The study of matter and how matter reacts with matter
Which subatomic particle has a positive charge?
Proton
Which subatomic particle has a negative charge?
Electron
Which subatomic particle has a neutral charge?
Neutron
How many protons does Mg have?
12
How many electrons does Mg have?
12
How many neutrons does Mg have?
12
How many protons does P have?
15
How many electrons does P have?
15
How many neutrons does P have?
16
What do the atoms in image A represent?
Compound
What do the atoms in image B represent?
Mixture
What do the atoms in image C represent?
Element
True or False: Baking is a chemical change.
True
True or False: Water (H2O) is an example of a compound.
True
Is this a model of a solid, liquid, or gas?
Solid
