Chemistry Quiz. Chemical bond

Which of the following reactions is the correct one?

• a

• b

• c

• d

It is defined as the attractive force that holds atoms together in molecules and ions in crystals.

• Hydrogen bonds

• Van der Waals forces

• Chemical bond

• Dipole-dipole forces

In an ionic bond, a metallic atom ____________ electrons, becoming a ____________; while a non-metallic atom ____________ electrons, becoming a ____________.

• loses, cation / gains, anion

• loses, anion / gains, cation

• gains, cation / loses, anion

Which type of bond is characterized by the transfer of electrons?

• Polar covalent bond

• Nonpolar covalent bond

• Ionic bond

• Metallic bond

Which type of bond is characterized by the equally share of electrons?

• Polar covalent bond

• Nonpolar covalent bond

• Ionic bond

• Metallic bond

Which type of bond is characterized by the inequally share of electrons?

• Polar covalent bond

• Nonpolar covalent bond

• Ionic bond

• Metallic bond

What is the correct Lewis' structure for Cesium ion?

• A

• B

• C

• D

In the blank page: According to the examples in the picture, write the reactions using Lewis structures along with their reaction mechanisms and indicate the type of bond they exhibit and write their chemical formula.

*(If two or more atoms of an element are needed, they must be represented).

Calcium and bromine.

• Ionic bond

• Polar covalent bond

• Non polar covalent bond

• Metallic bond

In the blank page: According to the examples in the picture, write the reactions using Lewis structures along with their reaction mechanisms and indicate the type of bond they exhibit and write their chemical formula.

*(If two or more atoms of an element are needed, they must be represented).

Oxygen and hydrogen (water).

• Ionic bond

• Polar covalent bond

• Non polar covalent bond

• Metallic bond

In the blank page: According to the examples in the picture, write the reactions using Lewis structures along with their reaction mechanisms and indicate the type of bond they exhibit and write their chemical formula.

*(If two or more atoms of an element are needed, they must be represented).

2 fluorine atoms

• Ionic bond

• Polar covalent bond

• Non polar covalent bond

• Metallic bond