Multiple Choice
Why are the atomic masses listed in the periodic table not whole numbers?
A) Scientists have yet to make the precise measurements.
B) That would be too much of a coincidence.
C) The atomic masses are average atomic masses.
D) Today's instruments are able to measure the atomic masses to many decimal places.
Correct Answer:
Verified
Correct Answer:
Verified
Q7: The atomic symbol represents<br>A)the number of electrons
Q8: Which of the following is a metalloid?<br>A)antimony
Q9: Where did the atoms that make up
Q10: If a baseball were scaled up to
Q11: What happens to the properties of elements
Q13: The element bromine,Br (atomic number 35),has two
Q14: Elements that are in the same _
Q15: The nucleus of an electrically neutral iron
Q16: What does the following element description actually
Q17: In what sense can you truthfully say