A student finds that an unknown element reacts with elements from Group 2 (IIA). To which group does the unknown element most likely belong? A.
Group 1 (IA)

B.
Group 3 (IIIB)

C.
Group 16 (VIA)

D.
Group 18 (VIIIA)

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons