Answer: Protons are positively charged particles
Explanation:
Lithium has an atomic number of 3 so right away all the answer choices are eliminated except A., and oxygen does have 8 neutrons, boron 5 electrons, and neon a mass of 20
C. High-visibility clothing is important to wear in areas with moving vehicles
Answer: Atomic number, Atomic Mass, Ionic radius
Explanation:
The answer is c .Frequency