CHM204: Structure And Bonding TMA1
Question 1 : Groups 1 and 2 elements with the exception of hydrogen are all ____________.
A. Non metals
ANSWER TO QUESTION I IS C. metals
Question 2 : The oxides, hydrides and hydroxides of alkali metals are ________.
ANSWER TO QUESTION 2 IS D. basic
Question 3 : Which of the following elements requires the most energy to remove its single electron in its valence shell?
ANSWER TO QUESTION 3 IS C. Hydrogen
Question 4 : _______ is not an alkaline earth metal
ANSWER TO QUESTION 4 IS C. lithium
Question 5 : The least metallic element amongst group 2 elements is __________.
ANSWER TO QUESTION 5 IS B. Beryllium
Question 6 : Groups 1, IIA, IIIA form ions by __________.
A. Loss of their valence electrons
B. Loss of their valence electrons and sharing of their valence electrons
C. Gain of their valence electrons
D. Sharing of their valence electrons
ANSWER TO QUESTION 6 IS A. Loss of their electrons
Question 7 : Which of the following elements is not a member of Group 1 elements?
ANSWER TO QUESTION 7 IS A. Magnesium
Question 8 : ____ physical property is not associated with alkali metals.
A. Lowest ionisation energies
B. High density
C. Occuring naturally in ionic compounds
ANSWER TO QUESTION 8 IS B. High density
Question 9 : Changeover from metallic to non-metallic character begins with __________.
A. Group 13
B. Group 14
C. Group 2
D. Group 15
ANSWER TO QUESTION 9 IS A. Group 13
Question 10 : As a result of the shortcomings of the Bohr model of the atom, the modern model of the atom is based on _________.
A. Quantum mechanics
B. Wave functions
D. Atomic orbitals
ANSWER TO QUESTION 10 IS A. Quantum Mechanics