Unit 3 Spiraling
... energy levels. The lowest energy level is closest to the nucleus; the highest energy level is farthest away from the nucleus. Electrons will occupy the lowest available energy level(s) before they fill in higher levels. -The outermost electrons in an atom are called valence electrons. The period (ro ...
... energy levels. The lowest energy level is closest to the nucleus; the highest energy level is farthest away from the nucleus. Electrons will occupy the lowest available energy level(s) before they fill in higher levels. -The outermost electrons in an atom are called valence electrons. The period (ro ...
Name: Period
... a. Ionic Solids b. Metallic Solids c. Network Solids 7. How are ionic compounds and molecular compounds different? Ionic Compounds ...
... a. Ionic Solids b. Metallic Solids c. Network Solids 7. How are ionic compounds and molecular compounds different? Ionic Compounds ...
Chemistry (CP) Final Exam Study Guide 1
... a. an orbital may be occupied by only two electrons b. electrons in the same orbital must have opposite spins c. electrons enter orbitals of highest energy first d. electrons enter orbitals of lowest energy first ____ 54. Which type of electromagnetic radiation includes the wavelength 10 a. gamma ra ...
... a. an orbital may be occupied by only two electrons b. electrons in the same orbital must have opposite spins c. electrons enter orbitals of highest energy first d. electrons enter orbitals of lowest energy first ____ 54. Which type of electromagnetic radiation includes the wavelength 10 a. gamma ra ...
Chemical Formulas and Chemical Compounds
... A correctly written chemical formula must represent the known facts about the analytically determined composition of the compound Used to represent amounts of substance -H2O can represent: 1 mole of water molecules 1 molecule of water 1 molar mass of water molecules Monatomic Ions: Ions formed from ...
... A correctly written chemical formula must represent the known facts about the analytically determined composition of the compound Used to represent amounts of substance -H2O can represent: 1 mole of water molecules 1 molecule of water 1 molar mass of water molecules Monatomic Ions: Ions formed from ...
2 - My George School
... numerical _________. The state of matter is often indicated by _______________. Examples: CaCl2(s) C6H6(l) ...
... numerical _________. The state of matter is often indicated by _______________. Examples: CaCl2(s) C6H6(l) ...
Chemistry - StudyTime NZ
... must each lose or gain electrons in order to become stable. Oxygen has 8 electrons and hence an electron arrangement of 2, 6. This means it has 6 electrons in its valence shell. It must hence ...
... must each lose or gain electrons in order to become stable. Oxygen has 8 electrons and hence an electron arrangement of 2, 6. This means it has 6 electrons in its valence shell. It must hence ...
Chemical Bonds - coellochemistry
... Write the Element symbols 2. Write each elements charge 3. Determine subscripts by making overall charge of the compound equal zero! 4. Reduce if possible. All Subscripts (other than 1) must be written Li combines with S ...
... Write the Element symbols 2. Write each elements charge 3. Determine subscripts by making overall charge of the compound equal zero! 4. Reduce if possible. All Subscripts (other than 1) must be written Li combines with S ...
Writing Chemical Formulas for Ionic Compounds
... The element or polyatomic ion with the positive oxidation number (cation) is written first. The element with the negative oxidation number (anion) goes second. Crisscross the absolute values of the oxidation numbers. ...
... The element or polyatomic ion with the positive oxidation number (cation) is written first. The element with the negative oxidation number (anion) goes second. Crisscross the absolute values of the oxidation numbers. ...
Naming Ionic Compounds
... ** this is just like you learned for molecular compounds except you are not worried about the numbers of an element examples: NaCl – sodium chloride CaCl2 – calcium chloride Mg3N2 – magnesium nitride PbO – lead oxide ...
... ** this is just like you learned for molecular compounds except you are not worried about the numbers of an element examples: NaCl – sodium chloride CaCl2 – calcium chloride Mg3N2 – magnesium nitride PbO – lead oxide ...
Slide 1
... The symbol for the magnetic quantum number is m which defines the orbital. m = - , (- + 1), (- +2), .....0, ......., ( -2), ( -1), The last quantum number is the spin quantum number which has the symbol m s which characterizes the single electron. The spin quantum number only has two pos ...
... The symbol for the magnetic quantum number is m which defines the orbital. m = - , (- + 1), (- +2), .....0, ......., ( -2), ( -1), The last quantum number is the spin quantum number which has the symbol m s which characterizes the single electron. The spin quantum number only has two pos ...
chapter 7 quiz
... 15._P__The charge on an “gamma” particle. R) Henry Moseley 16._M__The empty space around the nucleus containing S) Dimitri Mendeleev electrons. T) atomic mass 17._Z__The name that describes protons, neutrons, U) chemical formula and electrons. V) proton 18._O__The short form way of representing an e ...
... 15._P__The charge on an “gamma” particle. R) Henry Moseley 16._M__The empty space around the nucleus containing S) Dimitri Mendeleev electrons. T) atomic mass 17._Z__The name that describes protons, neutrons, U) chemical formula and electrons. V) proton 18._O__The short form way of representing an e ...
Chemistry Unit Test Study Guide (2012-2013)
... a. pH range for bases: ____________ True / False. Strong Acids and Strong Bases are both corrosive, which means they eat away at body tissue and dissolve other objects, and should always be handled with care. Interpreting a pH scale diagram: a. Identify the strongest acid shown on the pH scale below ...
... a. pH range for bases: ____________ True / False. Strong Acids and Strong Bases are both corrosive, which means they eat away at body tissue and dissolve other objects, and should always be handled with care. Interpreting a pH scale diagram: a. Identify the strongest acid shown on the pH scale below ...
Chapter 12
... An Allotrope: is one of two or more distinct forms of an element. O2 and O3 are allotrope of oxygen. Diamond and graphite are allotrope of carbon. Structural formula: shows how atoms are bonded to one another in a molecule. An empirical formula: shows the simplest whole-number ratio of the atoms in ...
... An Allotrope: is one of two or more distinct forms of an element. O2 and O3 are allotrope of oxygen. Diamond and graphite are allotrope of carbon. Structural formula: shows how atoms are bonded to one another in a molecule. An empirical formula: shows the simplest whole-number ratio of the atoms in ...
NATIONAL 5 CHEMISTRY – UNIT 1 – CHEMICAL CHANGES AND
... Carboxylic acids can be identified by the carboxyl ending, the COOH functional group and the ‘-oic’ name ending. Straight-chained carboxylic acids can be identified and named from the structural formulae. Given the name of straight chained carboxylic acid the structural formulae can be drawn. Vinega ...
... Carboxylic acids can be identified by the carboxyl ending, the COOH functional group and the ‘-oic’ name ending. Straight-chained carboxylic acids can be identified and named from the structural formulae. Given the name of straight chained carboxylic acid the structural formulae can be drawn. Vinega ...
1st mid unit test formative (pre-test)
... The horizontal rows of the periodic table are called periods. The horizontal columns are called families or groups. Metals are on the left and in the center of the table. Non-metals are located on the right-hand side of the table. Metals are separated from non-metals by a staircase of elements calle ...
... The horizontal rows of the periodic table are called periods. The horizontal columns are called families or groups. Metals are on the left and in the center of the table. Non-metals are located on the right-hand side of the table. Metals are separated from non-metals by a staircase of elements calle ...
1st mid unit test formative (pre-test)
... The horizontal rows of the periodic table are called periods. The horizontal columns are called families or groups. Metals are on the left and in the center of the table. Non-metals are located on the right-hand side of the table. Metals are separated from non-metals by a staircase of elements calle ...
... The horizontal rows of the periodic table are called periods. The horizontal columns are called families or groups. Metals are on the left and in the center of the table. Non-metals are located on the right-hand side of the table. Metals are separated from non-metals by a staircase of elements calle ...
The Chemical Basis of Life
... – Elements in the same vertical column often have very similar chemical bonding properties ...
... – Elements in the same vertical column often have very similar chemical bonding properties ...
Physical and Chemical Properties
... occurs between oppositely charged ions to hold them close together to become stable (like two magnets) • Ion: an atom that no longer has a neutral charge because it has lost or gained an electron • Typically between a metal & non-metal • Ex. Na+Cl- ...
... occurs between oppositely charged ions to hold them close together to become stable (like two magnets) • Ion: an atom that no longer has a neutral charge because it has lost or gained an electron • Typically between a metal & non-metal • Ex. Na+Cl- ...
Name: Date: Period: Who is the Father of Atomic Theory? What
... 11. What is the most reactive group on the periodic table? The least? Most Reactive: Least Reactive: 12. Name the following groups: Group 1: Group 2: Group 17: Group 18: 13. Circle the correct answers - When a metal and a nonmetal react with each other, metals tend to (lose / gain) electrons to beco ...
... 11. What is the most reactive group on the periodic table? The least? Most Reactive: Least Reactive: 12. Name the following groups: Group 1: Group 2: Group 17: Group 18: 13. Circle the correct answers - When a metal and a nonmetal react with each other, metals tend to (lose / gain) electrons to beco ...
Electron Configurations
... • Where the electrons are in the energy levels and orbitals. • The configuration that requires the least energy is the most stable - called groundstate electron configuration. • 3 specific rules are used to find an atom’s electron configuration: – Aufbau principle (German for build up) – Pauli exclu ...
... • Where the electrons are in the energy levels and orbitals. • The configuration that requires the least energy is the most stable - called groundstate electron configuration. • 3 specific rules are used to find an atom’s electron configuration: – Aufbau principle (German for build up) – Pauli exclu ...
εn = ε KE + ε PE = ε PE ε PE = ε PE (1 )
... where Z eff is an EFFECTIVE NUCLEAR CHARGE and takes account of the fact that for a MANY-ELECTRON ATOM an electron in an orbital will be SCREENED from the full nuclear charge +Ze by the other electrons in the atom. Thus, for a MANY-ELECTRON ATOM, since a 2s electron penetrates to the nucleus more st ...
... where Z eff is an EFFECTIVE NUCLEAR CHARGE and takes account of the fact that for a MANY-ELECTRON ATOM an electron in an orbital will be SCREENED from the full nuclear charge +Ze by the other electrons in the atom. Thus, for a MANY-ELECTRON ATOM, since a 2s electron penetrates to the nucleus more st ...
Chemical Bonding
... • Bonding involves the valence electrons or outermost shell (or highest shell) electrons • Atoms form bonds to become more stable – electrons are gained, lost or shared to achieve stability. • The properties of a compound are different from the properties of the atoms that make up the compound. Ex: ...
... • Bonding involves the valence electrons or outermost shell (or highest shell) electrons • Atoms form bonds to become more stable – electrons are gained, lost or shared to achieve stability. • The properties of a compound are different from the properties of the atoms that make up the compound. Ex: ...
Midterm Review 1
... 11. Name and describe the 6 types of chemical reactions. Give an example of each. a. : smaller species combine into larger ones – 2H2 + O2 2H2O b. Combination Decomposition: larger species breaking down into smaller ones – MgCl2 Mg + Cl2 c. Single replacement: an element and a compound react and ...
... 11. Name and describe the 6 types of chemical reactions. Give an example of each. a. : smaller species combine into larger ones – 2H2 + O2 2H2O b. Combination Decomposition: larger species breaking down into smaller ones – MgCl2 Mg + Cl2 c. Single replacement: an element and a compound react and ...
File
... 10) If an object has a density of 8.65 g/cm3, what is its density in units of kg/m3? A) 8.65 × 10-3 kg/m3 B) 8.65 × 10-7 kg/m3 C) 8.65 × 103 kg/m3 D) 8.65 × 101 kg/m3 E) None of the above ...
... 10) If an object has a density of 8.65 g/cm3, what is its density in units of kg/m3? A) 8.65 × 10-3 kg/m3 B) 8.65 × 10-7 kg/m3 C) 8.65 × 103 kg/m3 D) 8.65 × 101 kg/m3 E) None of the above ...