Halogen Family (Grade 10)
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Which of the following is true for ALL of the elements in the halogen family?
- They all have more than 10 protons
- They all have an atomic mass of over 20 amu
- They all are gases at STP
- They all have 7 valence electrons
Which of the following increases going down Group 17 on the Periodic Table?
- the number of valence electrons
- the number of electron shells
- the electronegativity
- the first ionization energy
Which of the following elements could a halogen bond with to form a stable ionic compound?
Which of the following statements is true about halogens?
- They have low electronegativity values, compared to nonmetals
- They are all liquids at STP
- They react only with Group 1 metals
- They are very reactive nonmetals
How many bonds can an atom of chlorine form?
How many atoms of iodine are needed to react with one atom of magnesium?
Which of the following halogens is the most reactive?
Which of the following halogens has the weakest attraction for electrons?
Iodine is a solid at STP.
State one property that results from halogens having 7 valence electrons.