Question

umber 12 is
Statements given below are incorrect. Write
the correct statements.
1. During nuclear fission nuclei of lighter
elements fuse to form heavy nuclei.
2. Sodium is a radioactive metal.
3. Alpha-particles are nuclei of hydrogen.
4. Cations are negatively charged particles.
5. Metals always form negatively charged ions.​

Answer 1

Answer:

1. During nuclear fission nuclei of heavier element dissociate into small nuclei.

2. Sodium is not a radioactive element.

3. Alpha particles are nuclei of HELIUM. I THINK SO.

4. Cations are positively charged particles.

5. Metals always form positively charged ions.

HOPE ! IT HELPS YOU

Answer 2

Explanation:

1. During Nuclear Fusion , the nuclei of lighter elements fuse to form heavy nuclei.
2. Sodium is a Non-Radioactive metal.
3. Alpha particles are the nuclei of Helium.
4. Anions are negatively charged particles.
5. Metals always form Positively charged ions.