Kallie

3. An element that has some characteristics of both metals and nonmetals v
5. A Small particle in the nucleus of the atom,with no electrical charge v
8. Solid nonmetals tend to be ___ and brittle.(O)
9. Small positively charged particle that are in the nucleus of an atom v
14. The____ of an element can be predicted from its location in the periodic table.(O)
16. symbol A one or two letter representation of an element v
18. At the ____ of the atom is a tiny,dense nucleus containing protons and neutrons.(O)
20. An element that lacks most of the properties of a metal v
23. metal An element in Group 1 of the periodic table v
24. particle A fast moving electron that is given off as nuclear radiation v

1. Metals are ___ as alkaline, earth metals,transition metals.(O)
2. rays Electromagnetic waves with the shortest wavelength and highest frequencies v
4. Mendeleev noticed a _____ of properties in elements arranged by increasing atomic mass. (O)
6. A tiny-negatively charged particle that moves around the outside of the nucleus of an atom v
7. number The number of protons in the nucleus of an atom v
10. The central core of an atom which contains protons and neutrons v
11. The basic particle from which all elements are made v
12. The physical properties of ___ includes luster,malleability,ductility,and conductivity.(O)
13. conductivity The ability of an object to transfer heat v
14. table The_____ includes each element's atomic number,symbol,name,and atomic mass.(O)
15. life The time it takes for half of the atoms of a radioactive element to decay v
17. During radioactive decay, the ___ of an atom changes. (O)
19. mass The average mass of all the isotopes of an element v
21. Atomic theory grew as a series of _____ models that developed from experimental evidence (O)
22. The ___ containing nonmetals include the carbon,nitrogen,oxygen,halogen,noble gasses,and hydrogen families.(O)