physical science

3. to quickly refer to information about an element, like atomic mass and chemical symbol
7. releases heat in chemical reaction
10. the material involved in the change is structurally the same before and after the change.
12. a substance that takes part in and undergoes change during a reaction
13. a subatomic particle with a positive electrical charge
14. on the left side on the periodic table
16. a negatively charged subatomic particle that can be either bound to an atom or free
19. a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
21. bond when pairs of electrons are shared by atoms.
22. absorbs heat in chemical reaction

1. the process of equating one thing with another.
2. a chemical reaction where two reactant ionic compounds exchange
4. the complete transfer of valence electron(s) between atoms.
5. the state or process of rotting decay.
6. a change of materials into another, new materials with different properties and one or more than one new substances are formed
8. the production of chemical compounds by reaction from simpler materials.
9. a reaction in which one element replaces a similar element in a compound.
10. a thing or person that is the result of an action or process.
11. subatomic particles found inside the nucleus of every atom.
15. the state or power of being reactive or the degree to which a thing is reactive.
17. degree of consistency measured by the quantity of mass per unit volume
18. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
20. one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table