Inorganic Chemistry Flashcards
What is the electron configuration of sodium (Na)?
1s² 2s² 2p⁶ 3s¹
True or False: Transition metals typically have variable oxidation states.
True
What is the common oxidation state of group 1 alkali metals?
+1
Fill in the blank: The p-block elements include groups ___ to ___ of the periodic table.
13 to 18
Which element has the highest electronegativity?
Fluorine
What is the shape of the methane (CH₄) molecule?
Tetrahedral
True or False: All group 2 elements react with water.
False
What is the formula for the hydroxide ion?
OH⁻
What type of bond is formed between sodium and chlorine in sodium chloride (NaCl)?
Ionic bond
What is the primary characteristic of noble gases?
They are inert and do not readily form compounds.
Which element is a liquid at room temperature?
Bromine
True or False: The atomic radius generally decreases across a period.
True
What is the coordination number of a complex ion?
The number of ligand donor atoms bonded to the central metal ion.
Which ion has the formula Fe³⁺?
Ferric ion
What is the primary use of titanium dioxide (TiO₂) in industry?
As a white pigment.
Which type of reaction involves the transfer of electrons?
Redox reaction
Fill in the blank: The oxidation state of chlorine in NaClO is ___
+1
What is the main property of transition metals that makes them useful as catalysts?
They can easily change oxidation states.
What is the formula for the sulfate ion?
SO₄²⁻
True or False: All metals are good conductors of electricity.
True
What is the term for the energy required to remove an electron from an atom?
Ionization energy
Which element is the lightest noble gas?
Helium
What does the term ‘ligand’ refer to in coordination chemistry?
A molecule or ion that donates a pair of electrons to a central metal atom.
What is the chemical formula for ammonium?
NH₄⁺
Which compound is formed when sulfur reacts with oxygen?
Sulfur dioxide (SO₂)
What is the oxidation state of sulfur in H₂SO₄?
+6
True or False: Alkali metals become more reactive as you move down the group.
True
What type of hybridization occurs in ethylene (C₂H₄)?
sp² hybridization
What is the general formula for alkanes?
CₙH₂ₙ₊₂
What is the empirical formula of glucose (C₆H₁₂O₆)?
CH₂O
What is the primary feature of ionic compounds?
They form a crystalline lattice structure.
What is the chemical name for Fe₂O₃?
Iron(III) oxide