100
What is an atomic number.
The number of protons and neutrons added together.
100
What is an electron
negatively charged particle.
200
What is a subatomic particle with no charge?
neutron
200
What is a solution
Homogeneous mixture where 2 or more substances are dispersed uniformly.
300
What is a proton
positively charged particle
300
What is a mixture
Combination of 2 or more substances that are not chemically combined.
400
What is a solution
Homogeneous mixture where 2 or more substances are dispersed uniformly.
500
What is a mixture
Combination of 2 or more substances that are not chemically combined.






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