Atomic Review!

3. make up matter; smallest unit of matter
4. center of an atom
5. more than one atom bonded together
6. All of the atoms of an element have the _____ number of protons.
8. the electrons go around the nucleus in electron shells or _______
13. The number of protons in an atom of an element is its Atomic _________.
14. anything that has mass and takes up space; everything on Earth is made of this stuff!
15. neutral subatomic particle
18. Ni is the symbol for this element
20. negatively charged subatomic particle
21. Atoms bond together when they share or transfer their valence ______.
22. This element has the symbol Co.
24. building blocks of matter; specific “type” of atom that’s determined by the number of protons

1. What is the lightest element?
2. Ag is the symbol for this element
3. Al is the symbol for this element
6. Na is the symbol for this element
7. a charged atom
9. the proton has this type of charge
10. The number of protons in an element is represented by its atomic ______.
11. What is the atomic mass for Nitrogen?
12. positively charged subatomic particle
16. the electron has this type of charge
17. the outermost electron shell of an atom
19. CO2 is the chemical formula for ________
23. Pb is the symbol for this element