Ionic Charges and Electron Configuration

The video tutorial explains the atomic structures of lithium, beryllium, oxygen, and fluorine, focusing on their behavior in forming ionic compounds. Lithium and beryllium, as metals, donate electrons to form positive ions, while oxygen and fluorine, as nonmetals, gain electrons to form negative ions. The tutorial also highlights the behavior of alkali metals, alkaline earth metals, and halogens in ionic compound formation, emphasizing the attainment of noble gas electron configurations.

What is the charge of a lithium ion when it forms an ionic compound?

• 0

• +1

• +2

• -1

How many electrons does beryllium donate when forming an ionic compound?

• Three

• Two

• Four

• One

What charge does an oxygen ion have after gaining electrons?

• -1

• +2

• -2

• +1

Which of the following elements forms a -1 charged ion by gaining an electron?

• Fluorine

• Magnesium

• Oxygen

• Sodium

What is the common charge of ions formed by halogens?

• +1

• +2

• -2

• -1

Which element is not a halogen?

• Bromine

• Chlorine

• Oxygen

• Fluorine

What is the atomic number of a neutral fluorine atom?

• 10

• 8

• 9

• 7

Which family of elements forms ions with a -2 charge?

• Alkali metals

• Nitrogen family

• Oxygen family

• Halogens

What is the charge of ions formed by the nitrogen family?

• -3

• -2

• +3

• -1

How do non-metallic elements achieve a noble gas electron configuration?

• By losing electrons

• By gaining electrons

• By sharing electrons

• By splitting electrons