You are missing quite a lot here.
Look up these definitions: Atomic number; atomic mass number
Then go here
http://www.ptable.com/
I will be happy to check your work.
I need help on a few of these.
A. How many protons are in one atom of fluorine - 19?
B. How many neutrons are in one atom of potassium - 39?
C. How many electrons are in one neutral atom of V - 51?
D. What is the symbol for the element that has 78 protons?
E. What is the symbol for the neutral atom that has 52 electrons?
1 answer