Read each description in the first column of the table below. If any chemical el

Question

Read each description in the first column of the table below. If any chemical element with atomic number of 92 or less matches the description, check Yes and enter the chemical symbol of an element that matches. Otherwise check No in second column. Does any element match the description? If you checked yes, give the symbol of an element that matches. description An element in Period 1 and Group 8A. YesNo Ar A semimetal in Group 8A. O No A noble gas with a higher atomic number than bromine. O Yes No A transition element in Period 5 O Yes No

Explanation / Answer

1)
Yes
It is Helium (He)
Answer: yes, He

2)
there is no semimetal in group 8A
group 8A has all noble gases
Answer: No

3)
yes
This noble gas can Krypton, Xenon or Radon
Answer: Kr

4)
yes
transition elements are in d block
In group 5, transition elements are Palladium, silver, etc
Answer: yes, Ag

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