There's the electrons that surround the nucleus in shells. Electrons have a negative charge and way almost nothing.
In the nucleus, theres protons and neutrons. Neutrons have no charge while protons have a positve charge.
All atom have no charge unless they are ions where theres either more electrons than protons or vice versa.
Negative ions are attracted to positive ions e vice versa
Answer:
By revive, I assume you're talking about medical assistance.
Explanation:
You can use CPR, where you lay a person back, hold their head up, and push on their chest to the beat "staying alive", in which it keeps their heart beating. If they aren't breathing, you can do mouth to mouth breathing, and continue the process until help arrives or.. the person is no longer with us.
If you have a defibrillator, you can use it on a low amp, or whatever amp you think would be most suitable for the condition of the person.
*yes the person below copy/pasted my thingy. yes its funny.
Each scientist could be working on the problem for different reason. Or, each scientist could be focused on different elements of the problem, concluding in different conclusions between the scientist.
Answer:
All chemical reactions need energy to get started. Even reactions that release energy need a boost of energy in order to begin. The energy needed to start a chemical reaction is called activation energy.
Explanation:
2mol of Hydrogen peroxide releases 196.6KJ heat
1mol releases
5mol releases