K.C.S.E Physics Q & A - MODEL 1997PP1QN34
A lithium atom has 3 protons in its nucleus. Complete the diagram in figure 14 by marking X in the appropriate shells show the electron distribution when the atom is not excited
In a sample there are 5.12 x 1020 atoms of krypton – 92 initially. If the half of krypton; 92 is 3.0s determine the number of atoms that will have decayed after 6s.
ANSWERS
0 Comments
Leave a Reply.Don't give up, Keep Searching for more |
CATEGORIES
Categories
All
Topics
FORM I - PHYSICS SYLLABUSFORM II - PHYSICS SYLLABUSTOPICS
FORM III - PHYSICS SYLLABUSFORM IV - PHYSICS SYLLABUSARCHIVES
RSS FEEDS
AUTHOR
M.A NyamotiMy passion is to see students pass using right methods and locally available resources. My emphasis is STEM courses
|
RSS Feed