Practice Bonding Quiz

In a lewis dot diagram of Sodium, how many dots will be around Na?

• 1

• 2

• 11

• 23

Ionic bonds are formed when...

• valence electrons are shared between atoms

• Valence electrons are transferred between atoms

• Valence electrons are gained by both atoms

• Valence electrons are pooled and shared by all atoms

Which of these atoms is a negatively charged ion?

• Magnesium atom with 12 protons, 12 neutrons, and 12 electrons

• A Beryllium atom with 4 protons, 3 neutrons, and 2 electrons?

• a Helium atom with 2 protons, 2 neutrons, and 2 electrons.

• A Fluorine atom with 9 protons, 10 neutrons, and 10 electrons

Which of the following will form a covalent bond?

• Carbon and Sulfur

• Sodium and Chlorine

• Florine and Chlorine

• Lithium and Bromine

Which of the following will form an ionic bond?

• Magnesium and Oxygen

• Calcium and Chlorine

• Aluminum and Oxygen

• Hydrogen and Oxygen

If Magnesium forms an ionic bond with Iodine, what is the correct ration of Magnesium to Iodine?

• 1:2 or one Magnesium atom to two Iodine atoms

• 1:1 or one magnesium atom to one iodine atom

• 2:2 or two magnesium atoms to two iodine atoms

• 2:3 two magnesium atoms to three iodine atoms

What do the dots in an electron dot (Lewis dot) diagram represent?

• Protons

• Neutrons

• electrons

• valence electrons

Which 2 statements about covalent bonds are true?

• Electrons are shared

• electrons are transferred

• The two atoms bonded can be of the same element.

• Occurs between metals and nonmetals

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium

?

• Lithium
• Boron
• Carbon
• Neon