Answer: you can use a table to group them together.
Explanation: use a table, graph or organizer
Answer:Zirconium is a chemical element with the symbol Zr and atomic number 40. The name zirconium is taken from the name of the mineral zircon, the most important source of zirconium. It is a lustrous, grey-white, strong transition metal that closely resembles hafnium and, to a lesser extent, titanium. Zirconium is mainly used as a refractory and opacifier, altho…
K is in the first group can form ion K⁺,
N is in third group can form negative ion (8-5=3) N³⁻
This is what is normally termed a single replacement reaction, although don't hold me to that. It could have changed to something more modern.
they are outside the body, because they need to be cooler than the temperature inside the body so sperm can be made. hope this helped you <3
