Periodic Table

1. If an atom is neutral, there is _____ amount of protons and electrons
4. Used to tell the number of protons in a atom of the element and used to identify the element
6. Mass number of Mn
7. Columns numbered 1-18 on the Periodic Table
9. Is not on the periodic table and tells the number of protons and neutrons in the nucleus of an atom
12. These have no luster, poor conductor, not ductile, not malleable, low density, low melting point, and less reactive
13. Atoms of the same element with different numbers of neutrons
16. Is the space surrounding the nucleus, broken down into regions of space called shells, negatively charged, and where the volume of the atom is located
17. Table A table in which it arranges all of the known elements in order of increasing atomic number
18. These are solid at room temp., shiny luster, ductile, high density, high melting point, and reactivity
19. Neutral particle in the nucleus with protons
20. Abbreviation for the name of the element
22. The sum of the protons and neutrons
23. Negative particle outside of the nucleus in the electron cloud

2. Wieghted average of all of the different versions of an element (called isotopes)
3. Number of neutrons of B
5. Number of protons of Ag
8. Electrons in the outermost energy level
10. Positive particle in the nucleus
11. Atomic number of Al
14. Something that has properties of both metals and nonmetals
15. Has a dense center, made of protons and neutrons, positively charged, and is where the mass of the atom is located
21. Rows numbered 1-7 on the Periodic Table
22. The smallest particle of an element that still has the properties of that element