Chemical Bonding

A noble gas is at Period 1. How many valence electrons does this element have?

• 18

• 8

• 12

• 2

Which of the following is true about the ionization energy (IE) and electron affinity (EA) of noble gases?

• They have low IE and low EA

• They have low IE and high EA

• They have high IE and low EA

• They have high IE and high EA

In which atom is the outermost electron hardest to lose?

• Mg

• Te

• Xe

• S

Which of the following elements are least expected to form chemical bonds with other elements?

• Mg

• Ar

• S

• Al

Which of the following process is least likely to happen for elements to attain stability?

• share electrons with another elements

• donate electrons to another element

• accept electrons from another element

• transfer the outer electron to the nucleus

How many valence electrons does an atom

• 4

• 6

• 8

• 10

Atoms following the octet rule have the number of valence electron that is same as the?

• alkali metals

• noble gases

• alkaline earth metals

• halogens

Which of the following scientist formulated the octet rule?

• Gilbert Newton Lewis

• Dmitri Mendeleev

• Joseph John Thomson

• Ernest Rutherford

Which of the following groups obeys the octet rule by donating electrons?

• Group 2

• Group 16 (6A)

• Group 17 (7A)

• Group 18 (8A)

Which of the following groups obeys the octet rule by accepting electrons?

• Group 1

• Group 2

• Group 16

• Group 18