Chapter 4 Study Guide
... Know definitions for the following vocabulary words: matter spectral line atom energy level nucleus electron cloud proton electromagnetic spectrum neutron charge electron Thomson’s atomic model proportion Rutherford’s atomic model Democritus Bohr’s atomic model Dalton element Lavoisier atomic number ...
... Know definitions for the following vocabulary words: matter spectral line atom energy level nucleus electron cloud proton electromagnetic spectrum neutron charge electron Thomson’s atomic model proportion Rutherford’s atomic model Democritus Bohr’s atomic model Dalton element Lavoisier atomic number ...
Atom The smallest piece of matter that still has the properties of the
... ForceForce Weak Nuclear Force Strong Nuclear Force Periodic Tablee ...
... ForceForce Weak Nuclear Force Strong Nuclear Force Periodic Tablee ...
Periodic Relationships Among the Elements
... • The ability of an atom to attract electrons in a molecule Energy is usually evolved in these processes (negative signs) •EN across a period increases from left to right •EN within the group increases from down to up •EN for metals is low while it is high for non-metals * The fluorine is the highes ...
... • The ability of an atom to attract electrons in a molecule Energy is usually evolved in these processes (negative signs) •EN across a period increases from left to right •EN within the group increases from down to up •EN for metals is low while it is high for non-metals * The fluorine is the highes ...
Periodic Trends
... • Top number is the Atomic Number. It is the number of protons which equals the number of electrons • The bottom number is the Atomic Mass. The average number of Protons and Neutrons in an ...
... • Top number is the Atomic Number. It is the number of protons which equals the number of electrons • The bottom number is the Atomic Mass. The average number of Protons and Neutrons in an ...
Atoms and the Periodic Table
... orbitals) which are located at different distributions from the nucleus • The shell closest to the nuclei is the 1st shell and can hold a max of 2 e-. • Shell no. 2 can hold a max of 8 e-. • Valance shells (outermost) can hold a max of 8 e-. ...
... orbitals) which are located at different distributions from the nucleus • The shell closest to the nuclei is the 1st shell and can hold a max of 2 e-. • Shell no. 2 can hold a max of 8 e-. • Valance shells (outermost) can hold a max of 8 e-. ...
Democritus 440 BCE
... • All substances are made of atoms. Atoms are small particles that cannot be created, divided, or destroyed. • Atoms of the same element are alike, atoms of different elements are different ...
... • All substances are made of atoms. Atoms are small particles that cannot be created, divided, or destroyed. • Atoms of the same element are alike, atoms of different elements are different ...
Science Review Sheet: Periodic Table Test Name: __________
... 1. What are the three subatomic particles? Where are they found within an atom? What charge do they have? How do the masses of the three subatomic particles compare? ...
... 1. What are the three subatomic particles? Where are they found within an atom? What charge do they have? How do the masses of the three subatomic particles compare? ...
A review of Atoms
... nucleus.Here it is shown as a small dot circling the nucleus. There are the same number of electrons and protons in a neutral atom. ...
... nucleus.Here it is shown as a small dot circling the nucleus. There are the same number of electrons and protons in a neutral atom. ...
Discovering Atomic Structure - U
... –Atoms of a given element are identical but different from all other elements. –Atoms never created nor destroyed. –compounds always have the same proportions of the elements comprising it • Recent advances (the scanning-tunneling microscope) have almost allowed us to “see” atoms. Daltons postulates ...
... –Atoms of a given element are identical but different from all other elements. –Atoms never created nor destroyed. –compounds always have the same proportions of the elements comprising it • Recent advances (the scanning-tunneling microscope) have almost allowed us to “see” atoms. Daltons postulates ...
Test Review - Alvinisd.net
... 1. Which of John Dalton’s postulates are still considered to be true today? 2. Which of John Dalton’s postulates are NOT considered to be true today? 3. What was discovered in the cathode ray tube experiment? 4. What did Ernest Rutherford’s gold foil experiment discover? (actually 4 discoveries) 5. ...
... 1. Which of John Dalton’s postulates are still considered to be true today? 2. Which of John Dalton’s postulates are NOT considered to be true today? 3. What was discovered in the cathode ray tube experiment? 4. What did Ernest Rutherford’s gold foil experiment discover? (actually 4 discoveries) 5. ...
Unit 2 Overview
... Explain how elements are arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns. Define & describe how periods and groups are also used to organize the periodic table. Define atomic number ...
... Explain how elements are arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns. Define & describe how periods and groups are also used to organize the periodic table. Define atomic number ...
HONORS CHEMISTRY Quarter 2 Exam Topics Know the following
... o Democritus, Dalton, Thomson, Rutherford, Chadwick, Bohr, Schrodinger, Heisenberg Know experimental observations and their key contributions to the atomic theory. Be able to draw and label the model of the atom for each scientist mentioned above. Know Dalton’s postulates. Distinguish atoms ba ...
... o Democritus, Dalton, Thomson, Rutherford, Chadwick, Bohr, Schrodinger, Heisenberg Know experimental observations and their key contributions to the atomic theory. Be able to draw and label the model of the atom for each scientist mentioned above. Know Dalton’s postulates. Distinguish atoms ba ...
![Properties of matter student notes[1]](http://s1.studyres.com/store/data/009076956_1-3293fc3fecf578fd34e3f0f2700d471f-300x300.png)
Properties of matter student notes[1]
... Even if you can’t see it or hold it (like air). Atom = A small ______________________that makes up matter. Named by Democritus, a Greek philosopher. ...
... Even if you can’t see it or hold it (like air). Atom = A small ______________________that makes up matter. Named by Democritus, a Greek philosopher. ...
Periodic Table – an arrangement of the elements in order of their
... and a good conductor of heat and electricity; found on left side of periodic table. a Nonmetal – an element that has a low melting point and a dull surface, breaks easily, a poor conductor of heat and electricity and tends to gain electrons in a chemical reaction. Semimetal – an element that does no ...
... and a good conductor of heat and electricity; found on left side of periodic table. a Nonmetal – an element that has a low melting point and a dull surface, breaks easily, a poor conductor of heat and electricity and tends to gain electrons in a chemical reaction. Semimetal – an element that does no ...
File
... • Mixture-a combination of substances that occurs without any chemical reaction. Substances in the mixture retain their own properties and may be physically separated from one another. • Molecule-a chemically bonded cluster of atoms. • Periodic Table of Elements-originally developed by Dimitri Mend ...
... • Mixture-a combination of substances that occurs without any chemical reaction. Substances in the mixture retain their own properties and may be physically separated from one another. • Molecule-a chemically bonded cluster of atoms. • Periodic Table of Elements-originally developed by Dimitri Mend ...
200
... •Q How are the number of electrons in an atom determined? •A The number of electrons is equal to the number of protons ...
... •Q How are the number of electrons in an atom determined? •A The number of electrons is equal to the number of protons ...
Fall Final Exam Review Questions
... 40. Draw the Lewis Dot structures for the following: Potassium, Carbon, Iodine and Xenon? 41. What are properties of metals and where are they generally located on a periodic table? 42. What are properties of nonmetals and where are they generally located? 43. What are properties of metalloids and w ...
... 40. Draw the Lewis Dot structures for the following: Potassium, Carbon, Iodine and Xenon? 41. What are properties of metals and where are they generally located on a periodic table? 42. What are properties of nonmetals and where are they generally located? 43. What are properties of metalloids and w ...
Atomic Mass
... Atomic masses can be different for atoms of the same element if they have different numbers of neutrons Atoms with different masses are called Isotopes or Nuclides ...
... Atomic masses can be different for atoms of the same element if they have different numbers of neutrons Atoms with different masses are called Isotopes or Nuclides ...
KWL chart and chem notes
... KNOW column and fill out the WHAT YOU WANT TO KNOW in the WANT area: 1- Explain how a chemical symbol is created. 2- Describe the atom and its structure 3- Differentiate between sub atomic particles. 4- Compare the evolution of the atom to something else in science that has evolved over time. ...
... KNOW column and fill out the WHAT YOU WANT TO KNOW in the WANT area: 1- Explain how a chemical symbol is created. 2- Describe the atom and its structure 3- Differentiate between sub atomic particles. 4- Compare the evolution of the atom to something else in science that has evolved over time. ...