Answer: 22.3 *10^23 S atoms
Explanation:
Answer:34.55
explanation:number of neutrons=mass number-atomic number
the mass number for copper is 63.55 so you do 63.55-29 (29 is the atomic number) and you would get 34.55
Answer:
The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force,
Explanation:
Answer:
A family is a vertical column .
The elements in a family have similar chemical properties.
