Question

Take a Break!
Write/choose the correct answer
name the subatomic particles of an atom.
2. the extra-nuclear region of an atom consists of electrons. (True/False)
3/Atomic number is the number of neutrons present inside the nucleus of an atom. (True/False)
4. The sum total of___________
and___________
is known as mass number of an element.
5. If the atomic number of nitrogen is 7, then the number of protons present in it will also be 7.
(true/False)
6. If the mass number of aluminium is 27 and its atomic number is 13, then the number of neutrons
present in it would be
7. The
of an element have same atomic number.
8. The outermost shell of an atom can accommodate
electrons.
9. Oxygen donates two electrons and becomes an oxygen ion. (True/False)
10. Ammonium is an example of a radical. (True/False)
n. A molecule
is formed when two atoms combine.
2. A calent bond is formed by the sharing of electrons.​

Answer 1

Answer:

1. Electron, proton, neutron

2. False

3.False

4.neutrons and protons

5. True

6. 14

7. Ion

8. 8

9. False

10. True

11. true

12. True