WorksheetsCHEMISTRY FORM 4 QUIZ 2 (MRSM BETONG-3)
Total questions: 15
Worksheet time: 17mins
Which compound is formed by transferring electron?
oxygen
carbon dioxide
sodium oxide
hydrogen peroxide
Element X reacts with sulphur to form a compound with formula X2S.
What is the correct electron arrangement of X?
[Proton Number:S=16]
2.8.1
2.8.2
2.8.3
2.8.4
Which substance is a covalent compound?
phosphorus(V) oxide
sodium sulphate
magnesium chloride
lead(II) bromide
Which atom forms a cation?
chlorine
hydrogen
nitrogen
oxygen
Compound X conducts electricity in aqueous solution or molten state. It also has a high melting point and boiling point.
What is X?
CCl4
MgCl2
CO2
NH3
An atom of element E has 16 neutrons. The nucleon number of elemnt E is 31. Atom E receives electrons to form ion E.
How many electrons in ion E?
10
15
16
18
Magnesium chloride is an ionic compound.
Which substance can dissolve magnesium chloride?
ether
water
hexane
methylbenzene
Diagram shows a diamond molecule.
Which of the following is correct about the molecule?
high melting and boiling points
able to conduct electricity
formed from the sharing of electrons of metal atoms
Van der Waals force of attraction exists between its molecules
Diagram above shows part of the diagram for the formation of metallic bond.
What is X?
anion
electron
neutron
cation
Diagram above shows the state of curly hair when dry and wet.
Which of the following statement explains the situation?
covalent bond in protein molecules of hair is broken with the presence of water molecules
protein molecules in hair forms hydrogen bond with water molecules when hair is wet
protein molecules in hair absorbs water when wet, causing the molecular size to increase
electrons in the protein molecules are delocalised to form sea of electron causing wet hair to appear straight when wet
Diagram above shows the electron arrangement of ammonium ion NH4+.
Which of the following are X and Y?
X : Ionic bond
Y : Covalent bond
X : Ionic bond
Y : Dative bond
X : Covalent bond
Y : Dative bond
X : Ionic bond
Y : Covalent bond
Diagram above shows Haikal trying to erase a writing on a whiteboard using solvent X.
What is solvent X?
chloroform
propanone
ethanol
water
Diagram above shows the atom model of a compound.
Tick all the properties of the compound.
dissolve in organic solvent
dissolve in water
low melting and boiling points
able to conduct electricity in molten state
Which of the following is the similarity between ionic bond and covalent bond?
product is a neutral molecule
involves valence electrons only
electrostatic force of attraction is present in the compound
occurs between metal atom and non-metal atom
What is the meaning of metallic bond?
bond formed through sharing of electrons
bond formed between hydrogen atom and fluorine, oxygen or nitrogen atom
bond formed when metal atom transfers electron to non-metal atom
bond formed when there is electrostatic force of attraction between a sea of electrons and positively-charged metal ions
