Which of the elements below is considered a metalloid?

a Arsenic
b Iron
c Iodine
d Barium

Why are the trends and exceptions to the trends in ionization energy observed?

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

Which statement is best described as a atom