Lithium and Nitrite Compounds

The video tutorial explains how to write the chemical formula for lithium nitrite. It begins by identifying lithium and nitrite, highlighting that nitrite is a polyatomic ion with a charge of one minus. The tutorial discusses the ionic nature of the compound, emphasizing the need for charge neutrality. It concludes by presenting the formula LiNO2, ensuring the charges balance to zero.

What is the element symbol for lithium?

• L

• Li

• Lt

• Lm

Which of the following is true about nitrite?

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

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

• It is a metal with a positive charge.

• It is a compound of lithium and oxygen.

Why is lithium nitrite considered an ionic compound?

• Because it is a compound of two polyatomic ions.

• Because it is a compound of two nonmetals.

• Because it is made of a metal and a group of nonmetals.

• Because it is made of two metals.

What must the charges in lithium nitrite add up to?

• Three

• Zero

• One

• Two

What is the formula for lithium nitrite?

• LiN

• LiO2

• LiNO3

• LiNO2

How do the charges of lithium and nitrite balance in lithium nitrite?

• Lithium is neutral and nitrite is neutral, adding to zero.

• Lithium is one minus and nitrite is one plus, adding to zero.

• Lithium is two plus and nitrite is two minus, adding to zero.

• Lithium is one plus and nitrite is one minus, adding to zero.