Science, asked by Azhabo, 6 months ago

Helium atom has an atomic mass of 40 and two has protons
in its nuleus. How many
neutrons does it have?
​

Answers

Answered by Aadhu10
1

Answer:

2 neutron****

.

.

.

. maybe

Answered by harshikasharma7777
1

Answer:

Helium atom has two neutrons. The mass of an atom is the sum of the masses of protons and neutrons present in its nucleus. Since helium atom has two protons, mass contributed by the two protons is (2×1)u=2u.

Previous Question
Next Question
Similar questions
Math, 3 months ago
If a% of b is 48 then b% of a is is​...
Math, 3 months ago
II State whether True (T) or False (F): [ ] 6. A triangle with angles 500, 589 and 620 can be constructed. ] 7. The triangle with side lengths 5, 12 and 13 forms a right angled triangle.[ [1501 8. There can be only two acute angles in a triangle. [ ] 9. The sum of the two acute angles in a right angled triangle is 90°. 10. If AB = 7cm, BC = 24 cm and AC = 25cm, then the triangle is right angled...
Social Sciences, 3 months ago
THE MEETING OF WARM AND COLD CURRENTS PROVIDE THE BEST OF THE WORLD...
Math, 6 months ago
3) A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm (see Fig. 13.11). Find its 6) inner curved surface area, (i) outer curved surface area, (mi) total surface area.​
History, 6 months ago
_____ founded the new city of Agra in _____​...
Physics, 11 months ago
A conductor having some appreciable resistance is called a. (1) insulator (2) resistor​...
English, 11 months ago
Essay on crackors pollution​...
English, 11 months ago
to have/nessary/press/therefore/a responsible/it is​...