How many electrons are in a neutral atom of Ar-40?
A) 18
B) 22
C) 40
D) 58
Correct Answer:
Verified
Q37: Which subatomic particle is not found in
Q38: The mass of a copper atom is
Q39: The number of protons in an atom
Q40: The electrical charge of a nucleus is
A)positive.
B)negative.
C)the
Q41: Which isotope has the same number of
Q43: What is the atomic number of an
Q44: The number of protons and neutrons in
Q45: The average mass of an atom of
Q46: A substance has 13 protons,14 neutrons,and 13
Q47: The element with atomic number 53 is
A)Iron
B)Iridium
C)Iodine
D)Indium
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