10 Questions
According to valence bond theory, what is the valency of beryllium, boron, and carbon respectively?
Zero, monovalent, divalent
What is the concept of orbital hybridization in Chemistry?
The concept of mixing atomic orbitals to form a new hybrid orbitals suitable for pairing of electrons in a chemical bonds
What is the electronic configuration of boron?
1s2 2s2 2p1
How many unpaired electrons does the atom of carbon (Z = 6) have?
2
In reality, what valency do these elements form compounds with?
2, 3, 4
According to the modern atomic theory postulated by John Dalton, which of the following statements is NOT true?
Atoms of the same element are different
Which scientist is credited with postulating the modern atomic theory?
John Dalton
In the modern atomic theory, what is the role of atoms in forming compounds?
Atoms combine in fixed ratios to form compounds
What did John Dalton consider as the fundamental role of atoms in chemistry?
Composition of matter
What did John Dalton consider as the basis of chemistry?
The concept of atoms
Learn about general chemistry with lecture note three for 100 level students at Federal University Dutsin-Ma, Nigeria. This note covers topics like chemical reactions, stoichiometry, and solutions.
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