Pre-Test
Three subatomic particles.
What are protons, neutrons, and electrons?
According to the periodic table, how many Neutrons are in Beryllium?
What is 5?
How many electrons does an O-2 ion contain?
What is 10?
If a Sodium atom loses 2 electrons, what is the net charge?
What is an +2?
What is 48?
How many subatomic particles are in a Polonium (Po) atom according to the periodic table?
What is 293
84 Protons
125 Neutrons
84 Electrons