1051. The relative attraction of the nucleus for the electrons in a chemical bond is called ______.

A. Ionization energy
B. Electron affinity
C. Electro negativity *
D. None of the above

1052. The ionization energy_______.

A. Generally increases from left to right in a period *
B. Does not change in a period
C. Increase from top to bottom in a group
D. Does not change in a group

1053. Which of the following will have highest value of electorn affinity?

A. F
B. CI *
C. BR
D. I

1054. Which type of bond is formed by overlap of P orbitals______.

A. PI
B. Sigma
C. Both *
D. Neither

1055. The octet rule does not always hold for which of the following elements_____.

A. C
B. O
C. F
D. P *

1056. Which of the solid does not contain covalent bond ?

A. Copper *
B. Ice
C. Diamond
D. Graphite

1057. Molecular orbitals are filled according to ________.

A. Auf Bau principle
B. Hunds rule
C. Paulis exclusion principle
D. All these *

1058. Which of the following have their outer most shell complete in atomic form?

A. Noble gases *
B. Alkali Metals
C. Coinage metals
D. Gun metals

1059. Force responsible to hold atoms toghether in a compound is called ____.

A. Bond *
B. Attractive force
C. Interaction
D. All of the above represent same entity

1060. Energy of atom in compound is _______.

A. Higher than individual
B. Lesser than individual *
C. No Change
D. Impossible to predict