Podcast
Questions and Answers
Which of the following elements has the highest electronegativity?
Which of the following elements has the highest electronegativity?
- Sodium (Na)
- Magnesium (Mg)
- Chlorine (Cl) (correct)
- Potassium (K)
What is the molecular geometry of CH4?
What is the molecular geometry of CH4?
- Trigonal bipyramidal
- Linear
- Trigonal planar
- Tetrahedral (correct)
Which of the following is not a characteristic of a covalent bond?
Which of the following is not a characteristic of a covalent bond?
- High melting point (correct)
- Directional nature
- Formation between nonmetals
- Sharing of electrons
What is the oxidation state of sulfur in H2SO4?
What is the oxidation state of sulfur in H2SO4?
Which statement is true about the periodic table?
Which statement is true about the periodic table?
Flashcards
Highest electronegativity element among the choices
Highest electronegativity element among the choices
Chlorine (Cl) has the highest electronegativity among the listed elements.
Molecular geometry of CH4
Molecular geometry of CH4
The molecular geometry of methane (CH4) is tetrahedral.
Non-characteristic of covalent bonds
Non-characteristic of covalent bonds
High melting point and involves metal atoms are not characteristics of covalent bonds. Covalent bonds are formed between nonmetals.
Oxidation state of Sulphur in H2SO4
Oxidation state of Sulphur in H2SO4
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True statement about the periodic table
True statement about the periodic table
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Study Notes
Electronegativity
- Chlorine (Cl) has the highest electronegativity among the given options. Electronegativity is a measure of an atom's ability to attract electrons in a chemical bond.
Molecular Geometry of CH₄
- The molecular geometry of CH₄ is tetrahedral. This arrangement minimizes repulsion between bonding electron pairs.
Characteristics of Covalent Bonds
- A characteristic not of a covalent bond is the involvement of metal atoms. Covalent bonds form between nonmetals by sharing electrons.
Oxidation State of Sulfur in H₂SO₄
- The oxidation state of sulfur in H₂SO₄ is +6.
Periodic Table
- Elements in the same group have similar chemical properties. Groups are vertical columns on the periodic table.
- Atomic radius generally decreases across a period.
- Electronegativity generally increases across a period and decreases down a group.
- Ionization energy generally increases across a period and decreases down a group.
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