Calculate the number of protons in the average potassium atom if the atomic weight of potassium is 39 amu and the atomic number of this element is 19.
A) 19
B) 20
C) 39
D) 58
E) The number of protons is impossible to determine from this information.
Correct Answer:
Verified
Q1: Which of the following correctly describes one
Q2: Which of the following postulates of Dalton's
Q4: The earth is constantly bombarded by cosmic
Q5: Which of the following atoms have the
Q6: Which statement correctly describes the difference between
Q7: What is the symbol for the atom
Q8: How many electrons are in 52Cr3+?
A) 3
B)
Q9: How many protons are in 32S2-?
A) 2
B)
Q10: Complete the following table. Q11: Complete the following table
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents