Answer:
Measuring its density and comparing your result to a list of known densities, or other properties that give you useful info
Explanation:
You can use observations about substances to form a hypothesis about the substance by comparing it to others. Ex: if something is magnetic it must be made of one or more of the elements iron, cobalt, or nickel.
Atoms of oxygen are electronegative and attract the shared electrons in their covalent bonds.
Answer:
Element Atomic Number One number you will find on all periodic tables is the atomic number for each element.
Explanation:
<em>hope it helps :))</em>
Answer: B.
The rate of the nuclear reaction increases, but the rate of the chemical reaction remains the same
Explanation:
What's wrong with this setup is the substrate on which you have positioned
the drop is "dirty and unclean" meaning it is not being dampened by
the solution. This action can be corrected by comprehensively cleaning the
substrate where the drop will be positioned.
