Answer:
This is because, within a period or family of elements, all electrons are added to the same shell.
Answer:
1: energy
2: converts
Kinetic energy is either 3 or 4, those questions are really similar.
Answer:
Left and right: two forces
Total: four forces
Explanation:
If it's just the forces that they are using it would be two the force of each person's hand on the other. However there is also gravity pulling down on their hand but they use another force to pull it up which you can call the normal force.
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Minerals physical characteristics are hardness,luster,the way it’s solid and chemical would be the way the color changes and it’s density
