Biology terms

4. the mass of an atom of a chemical element expressed in atomic mass units
5. strength/energy going along with physical movement.
7. group of atoms bonded together.
9. a substance that cannot be broken down or turned into something else.
14. a bond where an electron is unevenly shared between two bonded atoms.
16. an atom/ion with an net electric charge due to one or more losses of an electron
17. a stable subatomic particle
19. central and most important part of an object.
20. a single electron/one or two more electrons on the outershell of an atom.
21. a subatomic particle with a negative electric charge
23. total distance from an atoms nucleus to the outermost spot of the electron.
25. product if mass multiplied by acceleration
26. measure of an atoms ion.
27. a negatively charged ion
28. an object gaining speed
29. quantity of motion

1. the basic unit of a chemical element
2. a connection between two surfaces or objects that have been joined together,
3. number of protons in an atom
6. force that holds atoms together.
8. speed of something in a given direction
9. an atoms tendency to attract bonding electrons.
10. each/two or more forms of the same element that have equal numbers of protons but different neutrons.
11. type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound
12. a table of every element ever
13. interatomic linkage that links from sharing an electron
15. a subatomic particle without an electric charge
18. property of all matter.
22. any five elements that make up a group on the periodic table called the group VII A
24. a positively charged ion