Isotopes of an element are different from the most common standard form due to differences in the ____.
A) atomic number
B) position of the element in the periodic table
C) number of neutrons in the nucleus
D) number of protons in the nucleus
E) size of the electron cloud
Correct Answer:
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Q5: How do hydrophilic molecules interact with water?
A)They
Q6: An ion is formed _.
A)during covalent bonds
B)when
Q7: Covalent bonds _.
A)occur when ions of opposite
Q8: An atom carries no charge because it
Q9: Which type of bond is responsible for
Q11: Which statement is true of electron shells?
A)The
Q12: When an atom's outer electron shell is
Q13: Radioisotopes _.
A)are unstable and emit energy and
Q14: If a chlorine atoms has 7 electrons
Q15: A pure substance that cannot be broken
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