An element with atomic number 21 is a
helogen
transition element
alkali metal
none

alkali metal

transition element

none

helogen

Open in App

Solution

Verified by Toppr

Was this answer helpful?

Similar Questions

An element with atomic number 21 is a/an:

View Solution

Question 21
Which of the following elements will form an acidic oxide?

(a) An element with atomic number 7
(b) An element with atomic number 3
(c) An element with atomic number 12
(d) An element with atomic number 19

View Solution

The wavelength of $K_{α}$ line from an element of atomic number 41 is $λ$ . Then the wavelength of $K_{α}$ line of an element of atomic number 21 is

View Solution

The atomic number of an element is

21

and the number of neutrons in its atom is

18

. Find the mass number of the element?

View Solution

The wavelength of $K_{α}$ line from an element of atomic number 41 is $λ$ . Then the wavelength of $K_{α}$ line of an element of atomic number 21 is

View Solution

An element with atomic number 21 is ahelogentransition elementalkali metalnone

An element with atomic number 21 is a
helogen
transition element
alkali metal
none