It is known as a group
Hope this helps
Momentum = Mass x Velocity
80kg Runner: 80 x 2.45 = 196 Kg m/s
65kg Runner: 65 x 3= 195 Kg m/s
The 80kg runner has a greater momentum
The answer is A
Hope this helps.
The name of the ion is Copper.
<u>Explanation</u>:
- Copper is a chemical element symbolized as Cu. It has different ions, one of which is Cu(2+) and Cu(1+).
- Copper on losing 2 electrons forms the ion Cu(2+)
- Copper(2+) is an ion that carries double positive charge.
- It plays the role of a cofactor.
- It is also more stable than the single positive ion Cu(1+)
13
Al
Aluminum
Atomic mass 26.982
