Which of the following element is the most electronegative element?

Which one of the following is the Electron Configuration of Carbon?

Which element has the highest atomic number and highest atomic mass in the periodic table?

Which of the following is/are the special elements of the periodic table?

If the Atomic number of an element is 12, find out the block to which it belongs in the periodic table.

The Atomic Mass Number of Oxygen is 16, it is a whole number which is equal to the sum of what?

What is the atomic number of Argon?

Which of the following elements is found in Group 17 (Halogens) of the Periodic Table?

 Find the atomic mass of an isotope of carbon that has 7 neutrons.

Which of the following is the most Electropositive Element?

The atomic number of the atom that becomes stable by gaining 3 electrons in the 5th shell is:

Atomic number of a chemical element is equal to?

If the Atomic number of an element is 12, find out the block to which it belongs in the periodic table.

Which group in the periodic table contains all three states of matter?

What is the atomic number of Iron?

Which actinide, discovered by Glenn T Seaborg in 1940, is used as a heat source for sensitive electrical components in satellites as well as a power source for satellites? [Combined Graduate Level Examination Tier I 2023]

The mass number of titanium is:

[SSC CGL 2022]

Fill in the blanks with suitable answers from the options given below:
‘In long form of Periodic Table, ______ elements of both ______ and ______ periods (lanthanoids and actinoids, respectively) are placed in separate panels at the bottom.’ (Head Constable AWO TPO in Delhi Police Examination 2022)

Which among the following is the atomic number of helium?

Which among the following is the atomic number of Krypton?

Which among the following is the atomic number of Sulphur?

Which among the following is the atomic number of Calcium?

Which among the following Groups do not belong to p-block of the periodic table?

Which among the following is the Atomic number of Silicon?

What is the atomicity of Phosphorus?

The Atomic Mass Number of Oxygen is 16, it is a whole number which is equal to the sum of what?

Which element has atomic number 87?

Identify the number of electrons found in the outermost shell of halogen.

Which of the following groups in the Modern Periodic Table have NO metallic element?

Which of the following metals is the least reactive, as per the reactivity series of metals?

The correct order of electron affinity of halogens is:

Noble Gases are found in which among the following Group of periodic table?

The Atomic Mass Number of Oxygen is 16, it is a whole number which is equal to the sum of what?

 C60 is a molecule that consists of 60 carbon atoms, arranged as___________.

In which group of the Periodic Table will you put the elements with electronic configuration [He]2s²2p⁶?

Which group in the periodic table contains all three states of matter?

In the periodic table, the highly electronegative halogens and the highly electropositive alkali metals are separated by:

Arrange the following elements in increasing atomic radius:

Aluminium (Al), Boron (B), Gallium (Ga), Indium (In)

Which of the following statement is NOT correct regarding the alkali metals?

How many carbon atoms is each carbon atom bonded to in a diamond structure?

Which among the following elements behaves like alkali metals as well as halogens in its properties?

Which of the following is the third member of the Dobereiner triad, that also features Lithium and Sodium?

Isotopes are atoms of the same element that have different numbers of ____.

Which of the following has zero electron affinity in the periodic table?

Which atom has an atomic number such that it attains stability by gaining three electrons in its fifth shell?

Which of the following statement is NOT correct regarding the alkali metals?

Which s-block element is a silvery-white metal that is used in an alloy with copper or nickel to make gyroscopes. springs. electrical contacts, spot-welding electrodes, and non-sparking equipment?

Which of the following pairs of chemical elements and their symbols is INCORRECT?

Match the Following: Mendeleev's Periodic Table-

Which of the following metals reacts vigorously with cold water?