Out of the following metals, choose the odd one out on the basis of their place in the periodic table.

[RRB NTPC CBT]

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

[SSC CHSL 2023]

Which chemical element of Group 18 of the periodic table is produced by the natural radioactive decay of uranium in soils and rocks ?

[SSC CPO 2023]

Which chemical element with atomic number 35 has a dark reddish-brown liquid with a burning pungent odour ?

[RRB NTPC CBT]

The element with atomic number 59 lies in which block of the Periodic Table?

[SSC MTS 2024]

Which is the only non-metal present in liquid state at room temperature?

[RRB NTPC CBT]

Which of the following elements is a part of the P block of the periodic table?

[SSC GD 2024]

Which of the following elements is a metalloid ?

[SSC CGL 2024]

Select the correct order of the following metals in terms of their increasing reactivities.

[SSC MTS 2024]

What is the name of the 87th element on the periodic table that has no known biological role because it has a half-life of only 22 minutes ?

[SSC CHSL 2023]

Which of the following is a metalloid?

[RRB NTPC CBT]

The elements in Group 17 of the periodic table are known as:

[SSC MTS 2024]

What is the atomic mass of sodium?

[SSC CHSL 2022]

All noble gas molecules are-

[RRB NTPC CBT]

Which of the following are members of 15 naturally occurring metallic chemical elements whose atomic numbers are between 57 and 71?

[SSC CGL 2022]

Which element is a greenish-yellow gas with a characteristic smell at room temperature?

[RRB NTPC CBT]

How many maximum electrons can M shell have?

[SSC CGL 2022]

The chemical symbol of arsenic is:

[SSC CGL 2021]

Which of the following element has atomic number 12 ?

[SSC GD 2022]

Which is the soft, malleable and silvery-yellow metal with atomic number 59 in the lanthanide series ?

[SSC CHSL 2023]

Which of the following element is more reactive than copper?

[SSC CGL 2022]

What is the atomic number of nitrogen?

[SSC CGL 2021]

Identify an anomaly element that belongs to both group 1 and group 17.

[SSC CPO 2023]

How many protons are there in a lithium nucleus?

[SSC CGL 2021]

Consider the following statements:
A) Calcium is present in S - block of the periodic table.
B) Metals comprise more than 78% of all known elements and appear on the left side of the Periodic Table.
C) d- Block elements are also known as inner-transition electrons.

[SSC GD 2024]

Identify the last element from the fifth period.

[SSC CGL 2023]

Which among the following elements has the least atomic radius?

[SSC GD 2022]

Which of the following group elements are called chalcogens?

[SSC CGL 2023]

In which group are the non-metal elements placed in a vertical column on the right side of the periodic table?

[SSC CGL 2022]

Name the element which has an electronic configuration of 2, 8, 7

[RRB NTPC CBT]

What are the elements in group zero commonly known as?

[RRB NTPC CBT]

Which of the following is NOT an alkaline earth metal?

[RRB NTPC CBT]

Which of the following is the least reactive element?

[RRB NTPC CBT]

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

[SSC GD 2022]

What chemical element does "H" stand for in the periodic table of science?

[SSC MTS 2022]

What is the atomic number of Carbon ?

[SSC GD 2022]

What is the atomic mass of nitrogen?

[SSC GD 2022]

To which group do the alkaline earth metals such as radium, barium and strontium belong ?

[SSC CGL 2024]

Which among the following elements has atomic number 33?

[SSC GD 2022]

Which of the following elements is a member of the actinide series?

[SSC CPO 2023]

What is the atomicity of Phosphorus?

[RRB NTPC CBT]

The elements that have intermediate properties between those of metals and non-metals are called metalloids. Which among the following is known as a metalloid?

[RRB NTPC CBT]

Which of the following are metalloids?

[SSC CGL 2023]

What is the atomic mass of nitrogen?

[SSC MTS 2023]

What is the number of protons present in beryllium ?

[SSC CPO 2024]

The correct order of electron affinity of halogens is:

[SSC CHSL 2023]

Identify an element that has atomic number 7.

[RRB NTPC CBT]

The term ‘Isotope’ refers to:-

[RRB NTPC CBT]

Valence electrons are present in the :

[RRB NTPC CBT]

Which of the following elements is a versatile element that forms the basis for all living organisms and many of the things we use?

[RRB NTPC CBT]