WorksheetsIons and Their Charges
Total questions: 15
Worksheet time: 8mins
Which group has ions with positive charges?
Group I
Group IV
Group VI
Group 0
Copper (I) ion is different from Copper (II) ion because:
Copper (I) has a charge of +1
Copper (II) has a charge of +2
Copper (I) is more stable
Both A and B.
Which of the following elements forms ions with a -1 charge?
Oxygen
Fluorine
Sulfur
Chlorine
Fill in the blank: Transition elements can form more than one type of ___.
atom
ion
molecule
compound
Which of the following is a compound ion with a charge of 1+?
A) NH₄⁺
B) OH⁻
C) NO₃⁻
D) SO₄²⁻
Which ion is known as the sulfate ion?
NO₃⁻
CO₃²⁻
SO₄²⁻
HCO₃⁻
Which of the following ions has a charge of 1-?
NH₄⁺
OH⁻
SO₄²⁻
CO₃²⁻
Fill in the blank: The copper crystals are called ______.
Grains
Particles
Molecules
Atoms
What is the charge of the hydrogen carbonate ion (HCO₃⁻)?
1+
1-
2+
2-
Which ion is known as the hydrogen carbonate ion?
NH₄⁺
OH⁻
HCO₃⁻
CO₃²⁻
Fill in the blank: The metallic bond is the attraction between metal ions and ______.
Protons
Neutrons
Free electrons
Nuclei
A metallic bond is characterized by: A) Sharing of electron pairs between atoms B) Transfer of electrons from one atom to another C) A sea of delocalized electrons D) Strong electrostatic forces between ions.
A) Sharing of electron pairs between atoms
B) Transfer of electrons from one atom to another
C) A sea of delocalized electrons
D) Strong electrostatic forces between ions.
Fill in the blank: The ability of metals to be drawn into wires is known as _______.
malleability
ductility
brittleness
conductivity
Which of the following is a result of the metallic bond structure?
A) Metals are brittle
B) Metals have low melting points
C) Metals are good conductors of heat
D) Metals are poor conductors of electricity.
Fill in the blank: The _______ of metals allows them to conduct electricity efficiently.
rigidity
flexibility
delocalized electrons
localized electrons
