All nickel atoms would have the same number of protons or atomic number.
Tell your teacher. They'll know what to do and it's best to report it to them.
By using thermal energy which is also heat energy the substance in cup A will melt becoming a liquid behaving like the substance in cup B
Answer:
Compound
Explanation:
-compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.