Groups of the Table
Which elements are don't have a group on the periodic table but are in the 7th period and are radioactive?
What are actinides (rare earth metals)?
What are the elements that seem disconnected from the rest of the table?
What are the rare earth elements?
A non-neutral atom formed by removing or adding electrons.
What is an ion?
I am a transition metal with 26 neutrons on average.
Who is Titanium?
An element with a similar number of protons but a different number of neutrons.
What is isotope?
Write the isotope Carbon-13 with an ionic charge of +1 in nuclear notation.
What is 136 C +1