Using the periodic table, which of the following two elements are in the same group?

question 2 options:

a. ca and co

b. o and cl

c. ne and ar

d. li and mg

How will the emission of an alpha particle affect the atomic number of an atom

The conventional equilibrium constant expression (kc) for the system below is: 2icl(s) ⇄ i2(s) + cl2(g) [cl2] ([i2] + [cl2])/2[icl] [i2][cl2]/[icl]2 none of the listed answers are correct [i2][cl2]/2[icl]

The rules of engagement (roe) working group is often used to (select all that apply.)