Question

can anyone tell me correct answer please...spammers stay away....​

Answer 1

Answer:

sodium and potassium

Explanation:

• The two metals react very much violently with water that's why we put them inside kerosene.

Sodium:-

Symbol: Na

Atomic mass: 22.989769 u

Atomic number: 11

Electron configuration: [Ne] 3s¹

Van der Waals radius: 227 pm

Melting point: 97.79 °C

Potassium:-

Symbol: K

Atomic mass: 39.0983 u

Atomic number: 19

Element category: Alkali metal

Natural occurrence: primordial

Crystal structure: body-centered cubic (bcc)

Answer 2

Explanation:

Variable velocity is the velocity which changes with time. When a body covers unequal displacements in equal interval of time, it is said to have variable velocity.