There are 9 polyatomic ions so which one and the compound “Sn(NO2)2 is Tin(ll) Nitrite
Answer:
Sr is the more metallic element
Bi is the more metallic element
O is the more metallic element
As is the more metallic element
Explanation:
One thing should be clear; metallic character increases down the group but decreases across the period.
Hence, as we move across the period, elements become less metallic. As we move down the group elements become more metallic.
This is the basis upon which decisions were made about the metallic character of each of the elements listed above.
Electrons - they are the particles that determine the chemical properties of an element
It would be D Because the earth orbits the sun
