In modern atomic theory,Bohr's orbits are replaced by atomic orbitals.What is an atomic orbital?
A) a circular path around the nucleus travelled by an electron
B) a dense,positively charged region of space at the center of an atom
C) a region of space within an atom where there is a high probability of finding an electron
D) the outermost principle energy level in an atom
E) the lowest energy arrangement of electrons in an atom
Correct Answer:
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Q4: Which statement concerning atoms is FALSE?
A)The atomic
Q5: Who stated that the elements,when arranged according
Q6: When is an atom in its ground
Q7: What are the three primary particles found
Q8: Which statement about the modern periodic table
Q10: The ion K+ is formed by which
Q11: What was J.J.Thomson's important discovery about cathode
Q12: When a neutral atom gains one or
Q13: What is the value of the mass
Q14: Which describes the basic concept of Bohr's
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