Elements and Atoms Study Guide
Science Chpt 11 and 12 Study Guide Name _________________ Chpt 11 1. Democritus named the atom. The word atom means __________________________
2. Define atom and determine if you can or cannot divide it into simpler substances. –
3. List the 3 subatomic particles of the atom are and their charges
a. b.
c.
Be able to identify those particles on a diagram!!!
4. Be able to label a diagram of a atom using information from the Periodic Table
6 _________________________ ______________________ _______________________ _____________________________
C
Carbon 12.0
5. The number of protons in one atom of an element determines the atom’s _____________, and the number of electrons determines the ________________ of the element. 6. The atomic number tells you the number of ____________ in one atom of an element. It also tells you the number of ____________ in a neutral atom of that element. The atomic number gives the “identity” of an element as well as its location on the periodic table. 7. No two different elements will have the ____________________. What is a valence electron? _____________________________________
8. The _____________ of an element is the average mass of an element’s naturally occurring atoms and isotopes. 9. The _____________________ of an element is the total number of protons and neutrons in the ___________________ of the atom. 10. The mass number is used to calculate the number of ____________ in one atom of an element. In order to calculate the number of neutrons you must subtract the _________________ from the _____________________. 11. Give the symbol of and the number of protons, electrons and neutrons in one atom of:
a. Lithium B. Neon C. Potassium ___________________ ______________________ ______________________
11. Define isotope –
12. How many protons, neutrons, and electrons would be in the isotope Boron 7. ___________________________
Be able to draw and identify Bohr Models of atoms.
13.-15 AC Only
13. What is
2. Define atom and determine if you can or cannot divide it into simpler substances. –
3. List the 3 subatomic particles of the atom are and their charges
a. b.
c.
Be able to identify those particles on a diagram!!!
4. Be able to label a diagram of a atom using information from the Periodic Table
6 _________________________ ______________________ _______________________ _____________________________
C
Carbon 12.0
5. The number of protons in one atom of an element determines the atom’s _____________, and the number of electrons determines the ________________ of the element. 6. The atomic number tells you the number of ____________ in one atom of an element. It also tells you the number of ____________ in a neutral atom of that element. The atomic number gives the “identity” of an element as well as its location on the periodic table. 7. No two different elements will have the ____________________. What is a valence electron? _____________________________________
8. The _____________ of an element is the average mass of an element’s naturally occurring atoms and isotopes. 9. The _____________________ of an element is the total number of protons and neutrons in the ___________________ of the atom. 10. The mass number is used to calculate the number of ____________ in one atom of an element. In order to calculate the number of neutrons you must subtract the _________________ from the _____________________. 11. Give the symbol of and the number of protons, electrons and neutrons in one atom of:
a. Lithium B. Neon C. Potassium ___________________ ______________________ ______________________
11. Define isotope –
12. How many protons, neutrons, and electrons would be in the isotope Boron 7. ___________________________
Be able to draw and identify Bohr Models of atoms.
13.-15 AC Only
13. What is