Potassium and Thiocyanate Compounds

The video tutorial explains how to write the formula for potassium thiocyanate. It begins by identifying the element symbols for potassium (K) and thiocyanate (SCN), noting that thiocyanate is a polyatomic ion with a charge of one minus. Potassium, being in group one of the periodic table, has a one plus charge. The tutorial demonstrates how to balance these charges to form a neutral compound, resulting in the formula KSCN. The video concludes with a recap of the formula and a thank you from Dr. B.

What is the symbol for potassium in the periodic table?

• Po

• Pt

• K

• P

Which of the following is true about thiocyanate?

• It is a polyatomic ion with a charge of one minus.

• It is a single element found on the periodic table.

• It is a metal.

• It has a charge of one plus.

What is the ionic charge of potassium?

• One minus

• Two plus

• One plus

• Neutral

How do the charges of potassium and thiocyanate combine in the compound?

• They both have a charge of one minus.

• They do not combine to form a neutral compound.

• They both have a charge of one plus.

• Potassium has a charge of one plus and thiocyanate has a charge of one minus, resulting in a neutral compound.

What is the correct formula for potassium thiocyanate?

• KSCN

• KTS

• KSC

• KCN