Which of the following groups of physical properties incr...
Which of the following groups of physical properties increases from left to right of the periodic table?
i. Ionization energy ii. Atomic radius iii. Electronegativity iv. Electron affinity
i and ii
i, ii and iii
iii and iv
i, iii and iv
Correct answer is D
Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud. In general, atomic radius decreases across a period and increases down a group.
The molecular formula of a common organic laboratory anaesthetic is ...
The formation of ethene from dehydration of ethanol can be described as------- ...
The following acids are monobasic except ...
what dose the following equation illustrate? \( ^{238}U_{92} → ^{234}Th_{90} + ^4 He_2 \)...
What is the change in the oxidation number of phosphorus in the following reaction? 4P(s) + 5O2(a...
The method used to collect gas in the laboratory depends on its? I. boiling point II. densi...