The power has gone out and you find a flashlight that uses batteries. When you turn on the flashlight, you are transforming:
2 answers:
In a flashlight, the electrical energy becomes light energy and thermal energy in the bulb.
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Answer:
More energy is released from the old substance than the new substance needs to form its chemical bonds
Explanation:
Edge 2020
Answer:
b
Explanation:
b/c proton + neutron=mass number and
mass number - proton= neutron
Answer: physical
Explanation: freezing and melting are physical changes.
Answer:
I believe it's false because the atomic number is the number of protons in the nucleus of an atom.
