Titanium and Phosphide Compounds

The video tutorial explains how to write the formula for titanium three phosphide. It begins by identifying the element symbols for titanium and phosphorus, noting that titanium is a transition metal with a charge of 3+ and phosphorus forms a phosphide ion with a charge of 3-. The tutorial emphasizes the importance of balancing these charges to achieve a neutral compound, resulting in the formula TiP. It also covers how to name the compound using Roman numerals to indicate the charge of titanium. The video concludes with a brief summary and thanks from Dr. V.

What is the element symbol for titanium?

• Ta

• Tm

• Ti

• T

What charge does titanium have in titanium(III) phosphide?

• 3+

• 1+

• 2+

• 4+

Which group on the periodic table does phosphorus belong to?

• Group 17

• Group 14

• Group 15

• Group 16

What is the charge of the phosphide ion?

• 1-

• 4-

• 2-

• 3-

What must the total charge of titanium(III) phosphide be?

• Positive

• Negative

• Neutral

• Variable

Why is the Roman numeral III used in the name titanium(III) phosphide?

• To denote the compound's molecular weight

• To represent the number of phosphorus atoms

• To show the charge of titanium

• To indicate the number of titanium atoms

If given the formula TiP, what is the correct name of the compound?

• Titanium(III) phosphide

• Titanium(II) phosphide

• Titanium phosphide

• Titanium(IV) phosphide