Periodic Trends

This is an MCQ-based quiz for GRE on the topic of Periodic Trends.

Major periodic trends include electronegativity, ionization energy, electron affinity, atomic radii, ionic radius, metallic character, and chemical reactivity.

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Which of the given atoms has the largest atomic radius?

O Ne B Li

Which of the following would have the greatest atomic radius?

Bromine Iodine Flourine Chlorine

Which of the following correctly describes the trend for atomic radius in the periodic table of elements?

Atomic radius decreases with increasing energy level. Atomic radius remains constant as new electrons are added within the same orbital. Atomic radius increases with increasing energy level. Atomic radius remains constant as new electrons are added within the same orbital. Atomic radius decreases with increasing energy level. Atomic radius increases as new electrons are added within the same orbital. Atomic radius increases with increasing energy level. Atomic radius increases as new electrons are added within the same orbital. Atomic radius increases with increasing energy level. Atomic radius decreases as new electrons are added within the same orbital.

Which atom would be expected to have the largest atomic radius?

Oxygen Aluminum Calcium Magensium Nitrogen

Which of the following elements has the greatest atomic radius?

B O C F N

Electronegativity __________.

increases across the periodic table from bottom to top is highest for fluorine All of these increases across the periodic table from left to right measures an atom's ability to attract electrons and form bonds

Which of the following alkali metals has the greatest atomic radius?

Hydrogen Sodium Lithium Rubidium

Which of the following atoms has the lowest electronegativity?

Br Se Cl S

Which atom would be expected to have the smallest atomic radius?

Magnesium Phosphorus Nitrogen Sodium Potassium

Which of the given atoms has the smallest atomic radius?

As P Bi N

Which element would you expect to have the highest first ionization energy?

Bromine Fluorine Chlorine Iodine Astatine

Which atom has the lowest first ionization energy?

K Rb Ca Sr