Periodic Table of Elements Questions

select the element that is more electronegative: Au and Pt

What is the name of the polyatomic ion with a Roman Numeral as part of its name.

how many valence electrons will a halogen atom have?

on the periodic table, where are the largest atoms located?

in what block of the periodic table are the transition metals located?

What is the name of the group that contains the least reactive nonmetals?

select the element that is more electronegative: C and O

select the element of this pair with the highest first ionization energy: Br and I

select the element of this pair with the highest first ionization energy: Ca and Rb

select the larger particle of this pair: Ag and Ag^+

in what block of the periodic table are the inner transition metals located?

select the element that is more electronegative: Ca and Rb

identity the number of protons, neutrons, and electrons in the following atom and ion: ^80Se^2-

identity the number of protons, neutrons, and electrons in the following atom and ion: ^19F-

identity the number of protons, neutrons, and electrons in the following atom and ion: ^22Ne

identity the number of protons, neutrons, and electrons in the following atom and ion: ^58Ni^2+

what is the group number of the halogens?

indicate (using your periodic table) if the following element is a metal, nonmetal, or metalloid: sodium

indicate (using your periodic table) if the following element is representative or transition: hydrogen

indicate (using your periodic table) if the following element is representative or transition: iron