Fluoride and Beryllium Concepts

The video tutorial explains how to write the chemical formula for beryllium fluoride. It begins by identifying the element symbols for beryllium (Be) and fluoride (F), noting that beryllium is a metal and fluoride is a non-metal, forming an ionic compound. The tutorial discusses the charges of beryllium (2+) and fluoride (1-) ions and how to balance these charges to achieve a neutral compound. By using two fluoride ions to balance one beryllium ion, the formula BeF2 is derived. The video concludes with a brief summary of the process.

What is the symbol for beryllium?

• Bi

• Br

• B

• Be

Which group does beryllium belong to on the periodic table?

• Group 1

• Group 2

• Group 3

• Group 4

What charge does a fluoride ion typically have?

• 1+

• 2+

• 1-

• 2-

How many fluoride ions are needed to balance the charge of one beryllium ion?

• Four

• Three

• Two

• One

What is the chemical formula for beryllium fluoride?

• BeF

• BeF2

• Be2F3

• Be2F