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Q3: Elements in the same group generally have<br>A)different
Q4: The positive charges in an atom are
Q5: Isotopes are atoms of the same element
Q6: Which contains 7 neutrons?<br>A)<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4085/.jpg" alt="Which contains
Q8: Which type of radioactivity is an electron?<br>A)alpha,
Q9: In which group do all atoms have
Q10: Some positively charged alpha particles were deflected
Q11: Give the main shell configuration for chlorine.<br>A)17<br>B)18<br>C)2,
Q12: The charge on the nucleus of a