Examlex
Q5: The "halogens" are in group<br>A)1A<br>B)2A<br>C)7A<br>D)8A
Q8: As one descends a group on the
Q22: A precipitation reaction will occur if one
Q39: Which is a binary compound?<br>A)O<sub>2</sub><br>B)O<sub>3</sub><br>C)NaClO<sub>3</sub><br>D)NaCl
Q68: In nature most matter exists as pure
Q81: What is the formula of calcium chloride?<br>A)CaCl<br>B)CaCl<sub>2
Q85: How many moles of Cl<sub>2</sub> are
Q91: Which of the following statements is not
Q96: The first ionization energy is the energy
Q105: How many different elements are present in