Question

Define: (a) valency (b) motion
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Answer 1

Answer:

The combining capacity of an atom is known as its valency. The number of bonds that an atom can form as part of a compound is expressed by the valency of the element. We all know how electrons in an atom are arranged in shells/orbitals

In physics, motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time

Explanation:

Answer 2

Answer:

a) the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.

b) the action or process of moving or being moved.

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