Answer:
A. All isotopes have no charge
Answer:
(we use hess's law) it is so simple but the second reaction is not correct please right it
You could identify a physical property of a substance before you performed the activity because the characteristics of a material known as its physical qualities are those that may be investigated independently of the substance's chemical makeup.
This is further explained below.
<h3>What is
physical property?</h3>
Generally, Any attribute that can be measured and has a value that can be used to describe the state of a physical system is considered to be a physical property.
In conclusion, The changes that take place in a system's physical attributes may be utilized to provide a description of the transitions that take place between its momentary states.
Read more about physical property
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time travel is the best option
Answer:
They catch fire very easily.
Explanation: