Subatomic Particles Worksheet 1 Answers. Find the three elements shown in model 1 on your periodic table. Element name atomic number mass number standard atomic notation number of protons number of electrons number of neutrons aluminum 13 27 27 al 13 13 13 14 argon 18 40 ar 40 18 18 18 22 beryllium 4 9 9 be 4 4 4 5 boron 5 11 11 b 5 5 5 6 calcium 20 40 40 ca 20 20 20.
Refer to model 1. The answers are highlighted in yellow boxes. Subatomic particles worksheet answers key 1.
View subatomic particles worksheet answers pdf from science 50575 at merrimack high school.
All elements on this worksheet are not ions. Element atomic mass protons neutrons electrons in atom ion symbol and charge electrons in the ion potassium 19 39 19 20 19 k 18 phosphorous 15 31 315 16 15 p 18 lithium 3 7 3 4 3 li 2 calcium 2 20 40 20 20 20 ca 18 nitrogen 7 14 7 7 7 n3 10 helium 2 5 2 3 2 n a n a argon 18 40 18 22 18 n a n a aluminum 13 3 26 13 13 13 al 10 chlorine 17 37 17 20 17 cl 18 iodine 53 127 53 74 53 i. Complete the table in model 1 by counting the protons and neutrons in each atomic diagram. How many protons neutrons and electrons are in chromium.
