Question

i am a noble gas. i can be found in the same period as the lightest of all transition metals. who am i?
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argon (ar)
iodine (i)
krypton (kr)
potassium (k)
gallium (ga)
xenon (xe)
bromine (br)
scandium (sc)
student name:
wbfjohnsona60@student.wbsd.org
activity:
apprentice
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#1 #2 #3 #4
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Explanation:

Step1: Identify lightest transition metal

The lightest transition metal is Scandium (Sc), which is in Period 4 of the periodic table.

Step2: Locate Period 4 noble gas

Noble gases are in Group 18. The noble gas in Period 4 is Argon (Ar).

Step3: Eliminate non-noble gas options

Iodine, Potassium, Gallium, Bromine, Scandium are not noble gases, so they are eliminated. Krypton and Xenon are noble gases but in higher periods.

Answer:

Argon (Ar)