CHM204: Structure And Bonding TMA1 2018 Complete Question and Answer

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 CHM204: Structure And Bonding TMA1

Question 1 : Groups 1 and 2 elements with the exception of hydrogen are all ____________.
A. Non metals
B. Non-radioactive
C. Metals
D. Metalloids

ANSWER TO QUESTION I IS C. metals

Question 2 : The oxides, hydrides and hydroxides of alkali metals are ________.
A. Neutral
B. Acidic
C. Amphoteric
D. Basic

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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?
A. Caesium
B. Lithium
C. Hydrogen
D. Sodium

ANSWER TO QUESTION 3 IS C. Hydrogen

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Question 4 : _______ is not an alkaline earth metal
A. Strontium
B. Barium
C. Lithium
D. Magnesium

ANSWER TO QUESTION 4 IS C. lithium

Question 5 : The least metallic element amongst group 2 elements is __________.
A. Calcium
B. Beryllium
C. Strontium
D. Barium

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

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Question 7 : Which of the following elements is not a member of Group 1 elements?
A. Magnesium
B. Caesium
C. Sodium
D. Francium

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
D. Softness

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

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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
C. Physics
D. Atomic orbitals

ANSWER TO QUESTION 10 IS A. Quantum Mechanics

 

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