Chemistry 9

What did you call the type of covalent bond that involves 3 shared pairs of electron?

• single covalent bond

• double covalent bond

• triple covalent bond

What did you call in the structures of atoms and molecules whose valence electrons are represented by dots?

• chemical bonding

• electron configuration

• Lewis electron dot structure

• octet rule

How will you identify the valence electron of the following element?

• By atomic number

• By ionization energy

• By group number

• By chemical bonding

Which of the following is a metal element?

• carbon

• silicon

• germanium

• barium

Which of the following compound has a covalent bond?

• H₂O

• NaCl

• CaCl₂

• Na₂O

Which is a correct Lewis structure for carbon dioxide?

• 
• 
• 
• 

What will happen if K and Cl are made to bond?

• chlorine will lose electron.

• chlorine will gain electron.

• K and Cl will share electrons.

• K and Cl will not form a compound.

In metallic bonding, which of the following is not a property of metal?

• metals are ductile

• metals are malleable

• metals are pungent

• metals are good conductor of heat

Which is considered as sharing of electrons between two non-metals?

• ionic bond

• metallic bond

• covalent bond

• chemical bond

What type of bonding is described by Electron-Sea Model?

• ionic bond

• metallic bond

• covalent bond

• chemical bond