Chemistry
Practice Chemistry MCQs from the Science syllabus.
Which element is used in the filament of a light bulb?
The reactivity of metals __________ down the group in alkali metals.
Which element has the lowest atomic number among the halogens?
What is the number of valence electrons in Oxygen?
Which of the following is an alkaline earth metal?
Which element has the electron configuration $1s^2 2s^2 2p^6 3s^2 3p^1$?
Which element shows an exceptional electronic configuration due to the stability of half-filled subshells?
Across a period from left to right, the metallic character of elements:
Which of the following atoms has the smallest radius?
What is the atomic number of an element that would be placed below Fluorine in the same group?
Which property decreases down the group for halogens?
An element with atomic number 38 belongs to which group?
The energy required to remove an electron from an isolated gaseous atom is:
Which element has the highest electron affinity in the periodic table?
Which block of the periodic table contains the transition elements?
What is the maximum number of electrons in the 3d subshell?
Which of these elements has the largest atomic radius?
What is the correct subshell electronic configuration for Copper (At. No. 29)?