notes fill in
... ________________ number = number of protons in the nucleus of an atom The atomic number determines what the ________________ is The atomic number _______________ the element The atomic number of an element _________________ changes The number of _______________ can change _______________ = atoms of ...
... ________________ number = number of protons in the nucleus of an atom The atomic number determines what the ________________ is The atomic number _______________ the element The atomic number of an element _________________ changes The number of _______________ can change _______________ = atoms of ...
Chapter 6: Chemistry in Biology
... Substances that release hydrogen ions ( H ) when dissolved in water are called __________. Substances that release hydroxide ions ( OH ) when dissolved in water are called __________. pH and Buffers: The measure of concentration of H in a solution is called __________. ...
... Substances that release hydrogen ions ( H ) when dissolved in water are called __________. Substances that release hydroxide ions ( OH ) when dissolved in water are called __________. pH and Buffers: The measure of concentration of H in a solution is called __________. ...
Atomic Structure
... ◦ all the positive charge and almost all the mass are concentrated in a small region that has enough positive charge to account for the great deflection of some of the alpha particles ◦ Nucleus: tiny, central core of an atom that is composed of neutrons and protons ◦ Electron are distributed around ...
... ◦ all the positive charge and almost all the mass are concentrated in a small region that has enough positive charge to account for the great deflection of some of the alpha particles ◦ Nucleus: tiny, central core of an atom that is composed of neutrons and protons ◦ Electron are distributed around ...
Chapter 3
... • All compounds have the same proportion by mass for example: NaCl is always 66.66% chlorine and 39.34% sodium • Law of Multiple Proportions: when two elements can form two compounds, the masses that combine are in simple whole number ratios, CO and CO2 ...
... • All compounds have the same proportion by mass for example: NaCl is always 66.66% chlorine and 39.34% sodium • Law of Multiple Proportions: when two elements can form two compounds, the masses that combine are in simple whole number ratios, CO and CO2 ...
Chapter 3
... • All compounds have the same proportion by mass for example: NaCl is always 60.66% chlorine and 39.34% sodium • Law of Multiple Proportions: when two elements can form two compounds, the masses that combine are in simple whole number ratios, CO and CO2 ...
... • All compounds have the same proportion by mass for example: NaCl is always 60.66% chlorine and 39.34% sodium • Law of Multiple Proportions: when two elements can form two compounds, the masses that combine are in simple whole number ratios, CO and CO2 ...
electron configuration
... model of the atom. • Schrödinger’s equation applied equally well to elements other than hydrogen. • The wave function predicts a threedimensional region around the nucleus called the atomic orbital. • Principal quantum number (n) indicates the relative size and energy of atomic orbitals. ...
... model of the atom. • Schrödinger’s equation applied equally well to elements other than hydrogen. • The wave function predicts a threedimensional region around the nucleus called the atomic orbital. • Principal quantum number (n) indicates the relative size and energy of atomic orbitals. ...
Balancing Equations Notes
... Chemical Equation: a way to represent chemical reactions on paper. Animation http://www.chemistry.ohio-state.edu/betha/nealChemBal/ ...
... Chemical Equation: a way to represent chemical reactions on paper. Animation http://www.chemistry.ohio-state.edu/betha/nealChemBal/ ...
"stuff" that takes up space- is made of tiny particles called atoms
... * Protons are massive (1 amu) and have a positive + charge. Neutrons are massive (1 amu) and have a neutral charge (neither positive nor negative). Electrons are extremely tiny (1/1,837 amu). ...
... * Protons are massive (1 amu) and have a positive + charge. Neutrons are massive (1 amu) and have a neutral charge (neither positive nor negative). Electrons are extremely tiny (1/1,837 amu). ...
Atoms, and Elements
... 1. relative mass 1.00867 amu or 1.6749 x 10-24 g If the Houston Astrodome was an atom, a marble placed in the stadium would be the size of the nucleus Most of the mass of the atom is in the nucleus Most of the atom is empty space Atomic number- the number of protons in a nucleus; symbol is Z 1 ...
... 1. relative mass 1.00867 amu or 1.6749 x 10-24 g If the Houston Astrodome was an atom, a marble placed in the stadium would be the size of the nucleus Most of the mass of the atom is in the nucleus Most of the atom is empty space Atomic number- the number of protons in a nucleus; symbol is Z 1 ...
Atomic structure
... 1. The Atomic Number of an atom = number of protons in the nucleus. 2. The Atomic Mass of an atom = number of Protons + Neutrons in the nucleus. 3. The number of Protons = Number of Electrons. 4. Electrons orbit the nucleus in shells. 5. Each shell can only carry a set number of electrons. 6. Isotop ...
... 1. The Atomic Number of an atom = number of protons in the nucleus. 2. The Atomic Mass of an atom = number of Protons + Neutrons in the nucleus. 3. The number of Protons = Number of Electrons. 4. Electrons orbit the nucleus in shells. 5. Each shell can only carry a set number of electrons. 6. Isotop ...
File
... Proposed his model in 1915 (this is the one most of you know) He coined the term, “Planetary Model” of atom Electrons orbit the nucleus of atom like planets around the sun Different orbits exist, each having a specified level of energy Suggested that outermost energy levels can hold more electrons t ...
... Proposed his model in 1915 (this is the one most of you know) He coined the term, “Planetary Model” of atom Electrons orbit the nucleus of atom like planets around the sun Different orbits exist, each having a specified level of energy Suggested that outermost energy levels can hold more electrons t ...
PowerPoint - Models of the Atom
... • Rutherford shot alpha () particles at gold foil. Most particles passed through. So, atoms are mostly empty. Some positive -particles deflected or bounced back! Thus, a “nucleus” is positive & holds most of an atom’s mass. ...
... • Rutherford shot alpha () particles at gold foil. Most particles passed through. So, atoms are mostly empty. Some positive -particles deflected or bounced back! Thus, a “nucleus” is positive & holds most of an atom’s mass. ...
Atomic Theory
... particles at a thin sheet of gold foil. Expected result: particles would pass through Actual result: most passed through, but some were deflected and reflected These results indicated a concentration of positive charge (nucleus), with electrons moving around it at some distance. ...
... particles at a thin sheet of gold foil. Expected result: particles would pass through Actual result: most passed through, but some were deflected and reflected These results indicated a concentration of positive charge (nucleus), with electrons moving around it at some distance. ...
Lesson 1 - Scientist in Residence
... This lab introduces the periodic table, the structure of the atom, and how the positions of the elements in the periodic table relate to conduction and insulation. An element is a piece of matter in its simplest form. All matter (solid, liquid, gas) is made of atoms. Atoms join together to make mole ...
... This lab introduces the periodic table, the structure of the atom, and how the positions of the elements in the periodic table relate to conduction and insulation. An element is a piece of matter in its simplest form. All matter (solid, liquid, gas) is made of atoms. Atoms join together to make mole ...
Atom, Ion, Isotope Notes from 10/5 and 10/6
... a good estimation for finding the most common stable isotope of an atom. HOWEVER, it is not a perfect method. Look at Ag for example. It’s atomic mass is 107.87 amu, which would round to 108 amu. This is actually NOT a stable isotope of Ag (only 107 amu and 109 amu are). If you really wanted to know ...
... a good estimation for finding the most common stable isotope of an atom. HOWEVER, it is not a perfect method. Look at Ag for example. It’s atomic mass is 107.87 amu, which would round to 108 amu. This is actually NOT a stable isotope of Ag (only 107 amu and 109 amu are). If you really wanted to know ...
24 Sept 08 - Seattle Central College
... • Alkali Metals ... soft, shiny metals; react vigorously with water; rarely found in elemental form • Alkaline Earth Metals ... soft, shiny metals; react less vigorously with water than alkali metals; rarely found in elemental form • Halogens ... gases: F, Cl; liquid: Br; solid: I; highly reactive; ...
... • Alkali Metals ... soft, shiny metals; react vigorously with water; rarely found in elemental form • Alkaline Earth Metals ... soft, shiny metals; react less vigorously with water than alkali metals; rarely found in elemental form • Halogens ... gases: F, Cl; liquid: Br; solid: I; highly reactive; ...
Ionic and Covalent Bonding
... • the electrons in the highest occupied energy level of an element’s atom ...
... • the electrons in the highest occupied energy level of an element’s atom ...
Atomic Structure ppt File
... contain a positive charge to balance the negative electrons 2. Because electrons have so much less mass than atoms, atoms must contain other particles that account for most of their mass • With this knowledge the first model of the atoms was purposed ...
... contain a positive charge to balance the negative electrons 2. Because electrons have so much less mass than atoms, atoms must contain other particles that account for most of their mass • With this knowledge the first model of the atoms was purposed ...
Atoms - RPDP
... The electrons in an atom are not all the same distance from the nucleus. Those farthest away from the nucleus are called valence electrons. Valence electrons are involved in chemical ...
... The electrons in an atom are not all the same distance from the nucleus. Those farthest away from the nucleus are called valence electrons. Valence electrons are involved in chemical ...
Document
... The 1st and 2nd ionization energy for potassium Double the electron affinity for oxygen Double the 1st ionization energy for potassium Ionization energy and electron affinity are not needed for the calculation ...
... The 1st and 2nd ionization energy for potassium Double the electron affinity for oxygen Double the 1st ionization energy for potassium Ionization energy and electron affinity are not needed for the calculation ...
Review - Final Exam
... 29. Arrange the following groups in order from smallest size to largest: a.) F, C, N b.) Na, K, Rb c.) Se, S, Cl d.) Cl1-, Ar, K1+ e.) F1-, F, F1+ f.) Co, Co2+, Co3+ 30. Arrange the following groups from smallest ionization energy to largest. a.) Mg, Ca, Sr b.) B, C, N 31. What electrons can the d-b ...
... 29. Arrange the following groups in order from smallest size to largest: a.) F, C, N b.) Na, K, Rb c.) Se, S, Cl d.) Cl1-, Ar, K1+ e.) F1-, F, F1+ f.) Co, Co2+, Co3+ 30. Arrange the following groups from smallest ionization energy to largest. a.) Mg, Ca, Sr b.) B, C, N 31. What electrons can the d-b ...
File
... -Maximum # of e- in an energy level found using ______ -________ on the Periodic Table indicate the energy level!! ...
... -Maximum # of e- in an energy level found using ______ -________ on the Periodic Table indicate the energy level!! ...