Which pair of atoms has similar chemical properties?
A) Li and Be
B) Li and Na
C) O and F
D) F and He
Correct Answer:
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Q10: Water has the formula H2O.Water can be
Q11: What two particles reside in the nucleus?
A)
Q12: Which subatomic particle has the GREATEST mass?
A)
Q13: The symbol for iron,as shown on the
Q14: The atomic number tells us:
A) the sum
Q16: Which element is NOT a metal?
A) Li
B)
Q17: Which subatomic particle has the LOWEST mass?
A)
Q18: Which elements are in the same group?
A)
Q19: Which statement is NOT accurate concerning Dalton's
Q20: Rutherford's gold foil experiment showed that:
A) atoms
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