Alkaline Earth Metals Video Lessons

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Problem: Element M reacts with chlorine to form a compound with the formula MCl2. Element M is more reactive than magnesium and has a smaller radius than barium. This element is __________.A) SrB) KC) NaD) RaE) Be

FREE Expert Solution
  • Use the trends in metal reactivity and atomic radius to determine the identity of M
  • First thing is to analyze the ionic compound that M can form. Notice that upon reaction with Cl, it forms MCl2.
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Problem Details

Element M reacts with chlorine to form a compound with the formula MCl2. Element M is more reactive than magnesium and has a smaller radius than barium. This element is __________.

A) Sr

B) K

C) Na

D) Ra

E) Be

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Our tutors have indicated that to solve this problem you will need to apply the Alkaline Earth Metals concept. You can view video lessons to learn Alkaline Earth Metals. Or if you need more Alkaline Earth Metals practice, you can also practice Alkaline Earth Metals practice problems.

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Based on our data, we think this problem is relevant for Professor Marzal's class at UCF.