First option.
The male tails are more attractive because of their long feathers , meanwhile the female tails are shorter than expected!
Answer: -
²²³Ra is the daughter nuclide produced when ²²⁷Th undergoes alpha decay
Explanation: -
When alpha decay occurs, the mass number of the parent decreases by 4 and the atomic number decreases by 2.
Mass number of ²²⁷Th =227
Atomic number of ²²⁷Th = 90
Mass number of daughter = 227 - 4 = 223
Atomic number of daughter = 90 - 2 = 88
88 is the atomic number of Ra Radium.
Thus the daughter is ²²³Ra
Answer:
covalent
Explanation:
C2S6 is a compound made of 2 nonmetals which makes it covalent
Hope this helps! Plz mark brainliest
Answer:
At the top of Group 11 above silver and gold.
Period 4
Explanation:
