You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Reactivity with Halogens (Group 1)

Chlorine atom...

Question

Chlorine atom in $N a C l$ gets a unit negative charge:

its nucleus has

17

protons,

18

electrons

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

its nucleus has

18

protons,

17

electrons

No worries! We‘ve got your back. Try BYJU‘S free classes today!

its nucleus has

8

protons,

7

electrons

No worries! We‘ve got your back. Try BYJU‘S free classes today!

none of the above

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B its nucleus has $17$ protons, $18$ electrons
In $N a C l$ , chlorine atom gets a unit negative charge, because its nucleus has $17$ protons and there are $18$ electrons.

Suggest Corrections

Similar questions

A Atom has a nucleus which is surrounded by electrons and protons. A cell in a leaf also has a nucleus, so the nucleus in the leaf also has electrons and protons surrounding it?

Q. A chlorine atom whose nucleus contains

17

protons and

20

neutrons. Find out the composition of the nucleus of an isotope of chlorine?

Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.

Fill in the blanks in the following statements :

(a) The number of protons in the nucleus of an atom is called its ....................

(b) The total number of protons and neutrons in the nucleus of an atom is called its ....................

(d) An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of the atom is ....................

(e) If the nucleus of an atom has atomic number 17, mass number 37 and there are 17 electrons outside the nucleus, the number of neutrons in it is ....................

(f) Almost all the mass of an atom is concentrated in a small region of space called the ....................

(g) Cathode rays are a beam of fast moving ....................

(h) The anode rays obtained from hydrogen gas consist of particles called ....................

(i) The maximum number of electrons that can be accommodated in L shell are ....................

(j) The maximum number of electrons that can go into the M shell is ....................

(k) The subatomic particle not present in a hydrogen atom is ....................

(l) The electron has .................... charge, the proton has .................... charge, and the neutron has .................... charge.

Q. The atomic number of magnesium is 12. How many protons are there in the nucleus of magnesium atom? How many electrons and protons does an ion of magnesium which has a charge of +2 contain.

Join BYJU'S Learning Program

Chlorine atom in NaCl gets a unit negative charge:

The correct option is B its nucleus has 17 protons, 18 electronsIn NaCl, chlorine atom gets a unit negative charge, because its nucleus has 17 protons and there are 18 electrons.

Chlorine atom in $N a C l$ gets a unit negative charge:

The correct option is B its nucleus has $17$ protons, $18$ electrons
In $N a C l$ , chlorine atom gets a unit negative charge, because its nucleus has $17$ protons and there are $18$ electrons.