periodic trends worksheet
... 18. Based on the concept of periodic trends, answer the following questions for these atoms: Li, Be, Mg, Na. Be able to defend your answers. a. Which element has the lowest electronegativity? _________________________________ b. Which element has the least metallic character? ______________________ ...
... 18. Based on the concept of periodic trends, answer the following questions for these atoms: Li, Be, Mg, Na. Be able to defend your answers. a. Which element has the lowest electronegativity? _________________________________ b. Which element has the least metallic character? ______________________ ...
Final Exam Review Day 1 - teacherstroh
... If you keep breaking down matter further and further, you will get to something called the… ...
... If you keep breaking down matter further and further, you will get to something called the… ...
1 Atomic Theory
... • In fact, it is impossible to determine the exact location of an electron. The probable location of an electron is based on how much energy the electron has. • According to the modern atomic model, at atom still has small positively charged nucleus surrounded by a large electron cloud region in whi ...
... • In fact, it is impossible to determine the exact location of an electron. The probable location of an electron is based on how much energy the electron has. • According to the modern atomic model, at atom still has small positively charged nucleus surrounded by a large electron cloud region in whi ...
Chemistry I Honors – Semester Exam Review – Fall 2000
... A formula bank will be provided in addition to any values that you might need (electronegativity, etc.), but you will NOT be given “formulas” for items listed in the VOCAB sections (average atomic mass, % error, etc.). Atomic Structure – Ch. 3 1. Identify the scientists who made the following disc ...
... A formula bank will be provided in addition to any values that you might need (electronegativity, etc.), but you will NOT be given “formulas” for items listed in the VOCAB sections (average atomic mass, % error, etc.). Atomic Structure – Ch. 3 1. Identify the scientists who made the following disc ...
Periodic Table Trends - Peoria Public Schools
... Negatively charged ions formed when nonmetallic atoms gain one Anions or more electrons Larger than the corresponding atom ...
... Negatively charged ions formed when nonmetallic atoms gain one Anions or more electrons Larger than the corresponding atom ...
periodic table power point
... properties from magnetic, orange luster, and even liquid. They exist in a variety of oxidation states depending on what they are bonding with. ...
... properties from magnetic, orange luster, and even liquid. They exist in a variety of oxidation states depending on what they are bonding with. ...
CHE 1401 - Fall 2013 - Chapter 7 Homework 7 (Chapter 7: Periodic
... E) Ne-, Kr+ 10) __________ have the lowest first ionization energies of the groups listed. A) Alkali metals B) Noble gases C) Transition elements D) Halogens E) Alkaline earth metals ...
... E) Ne-, Kr+ 10) __________ have the lowest first ionization energies of the groups listed. A) Alkali metals B) Noble gases C) Transition elements D) Halogens E) Alkaline earth metals ...
build your own atom - brittany
... would be able to tell it was Helium just by seeing what the atom looked like. If someone broke off a small piece {big enough to taste} of chocolate chip cookie and you couldn’t see the chocolate chips or that it was round like a cookie, you probably could identify it as a chocolate chip cookie from ...
... would be able to tell it was Helium just by seeing what the atom looked like. If someone broke off a small piece {big enough to taste} of chocolate chip cookie and you couldn’t see the chocolate chips or that it was round like a cookie, you probably could identify it as a chocolate chip cookie from ...
Elements and the Periodic Table
... An important number in an element is the atomic number. This is the number of protons in each atom. Each element has a unique atomic number. Hydrogen is the first element and has one proton, so it has an atomic number of 1. Gold has 79 protons in each atom and has an atomic number of 79. Elements in ...
... An important number in an element is the atomic number. This is the number of protons in each atom. Each element has a unique atomic number. Hydrogen is the first element and has one proton, so it has an atomic number of 1. Gold has 79 protons in each atom and has an atomic number of 79. Elements in ...
Name ____ Date
... I can relate the mass and number of atoms in a mole to the molar mass and Avogadro's number Objective 3 ...
... I can relate the mass and number of atoms in a mole to the molar mass and Avogadro's number Objective 3 ...
Protons, electrons and neutrons worksheet
... Keep a periodic table handy to solve this puzzle. Atomic symbol is the symbol you find for each element shown in the periodic table. Magnesium symbol is Mg Gold symbol is Au Potassium symbol is K Phosphorous symbol is P Note: First letter of the element is not always the symbol. Atomic number is the ...
... Keep a periodic table handy to solve this puzzle. Atomic symbol is the symbol you find for each element shown in the periodic table. Magnesium symbol is Mg Gold symbol is Au Potassium symbol is K Phosphorous symbol is P Note: First letter of the element is not always the symbol. Atomic number is the ...
Academic Chemistry
... B. Atoms of the same element are identical C. Atoms are made of protons and electrons D. Atoms unite in definite ratios to form compounds 4. Which of the following ideas is NOT retained in the current theory of atomic structure? A. Electrons can absorb or emit energy B. Atoms have a central, positiv ...
... B. Atoms of the same element are identical C. Atoms are made of protons and electrons D. Atoms unite in definite ratios to form compounds 4. Which of the following ideas is NOT retained in the current theory of atomic structure? A. Electrons can absorb or emit energy B. Atoms have a central, positiv ...
biol 1406 chapter 3: water
... Determine if the statement is true. If it is not, rewrite the italicized part to make it true. 1. An element is a substance that can be broken down into simpler substances. ______________________ 2. On Earth, 90 elements occur naturally. ________________________________________ 3. Only four elements ...
... Determine if the statement is true. If it is not, rewrite the italicized part to make it true. 1. An element is a substance that can be broken down into simpler substances. ______________________ 2. On Earth, 90 elements occur naturally. ________________________________________ 3. Only four elements ...
Atoms
... a. protons = (+) charge; mass = 1 b. neutrons = no charge; mass =1 2. Electron cloud a. Region where electrons are found constantly moving b. Electrons have (-) charge; almost no mass (1/1840 mass of proton) 3. No overall charge on atoms since atoms have equal numbers of protons & electrons ...
... a. protons = (+) charge; mass = 1 b. neutrons = no charge; mass =1 2. Electron cloud a. Region where electrons are found constantly moving b. Electrons have (-) charge; almost no mass (1/1840 mass of proton) 3. No overall charge on atoms since atoms have equal numbers of protons & electrons ...
Name
... . There is also a fourth and fifth phase,They are and , but they exist at very high temperatures. Science Is Fun Go to the “ChemTime Clock” area to find the answers to these questions. 1. All materials, whether solid, liquid or gas, are made of . Atoms are the smallest of . Scientists have found ove ...
... . There is also a fourth and fifth phase,They are and , but they exist at very high temperatures. Science Is Fun Go to the “ChemTime Clock” area to find the answers to these questions. 1. All materials, whether solid, liquid or gas, are made of . Atoms are the smallest of . Scientists have found ove ...
Name
... States that elements always combine in simple whole number increments; ex) H2O & H2O2 13. Define the law of conservation of mass. States that mass can’t be created or destroyed; mass of reactants is EQUAL to mass of the reactants 14. What do isotopes of the same element have in common and what is di ...
... States that elements always combine in simple whole number increments; ex) H2O & H2O2 13. Define the law of conservation of mass. States that mass can’t be created or destroyed; mass of reactants is EQUAL to mass of the reactants 14. What do isotopes of the same element have in common and what is di ...
Chapter 18 Notes
... atomic theory—states that all matter is composed of tiny particles called atoms o John Dalton was one of the first scientists to gather evidence for the atomic theory o Dalton’s Atomic Theory: • Each element is composed of atoms • All atoms of a given element are identical • Atoms of different eleme ...
... atomic theory—states that all matter is composed of tiny particles called atoms o John Dalton was one of the first scientists to gather evidence for the atomic theory o Dalton’s Atomic Theory: • Each element is composed of atoms • All atoms of a given element are identical • Atoms of different eleme ...
Periodic Table
... He noticed that patterns appeared when the elements were ________________________ _______________________________________________________________________ He also discovered that the ___________________________________ of the elements from lithium to fluorine _________________________________________ ...
... He noticed that patterns appeared when the elements were ________________________ _______________________________________________________________________ He also discovered that the ___________________________________ of the elements from lithium to fluorine _________________________________________ ...
Development of the Atomic Theory
... Ernest Rutherford • Rutherford discovered that atoms contain a ...
... Ernest Rutherford • Rutherford discovered that atoms contain a ...
Small Business Success on the Web
... Pair of electrons not shared equally by 2 atoms Water = O + H oxygen has stronger “attraction” for the shared electrons than hydrogen oxygen has higher ...
... Pair of electrons not shared equally by 2 atoms Water = O + H oxygen has stronger “attraction” for the shared electrons than hydrogen oxygen has higher ...
Chapter 6
... -gases or brittle solids, dull surfaces, used as insulators -have 5 or more electrons in outer energy level ...
... -gases or brittle solids, dull surfaces, used as insulators -have 5 or more electrons in outer energy level ...
Semester Exam Review - Teach-n-Learn-Chem
... A formula bank will be provided in addition to any values that you might need (electronegativity, etc.), but you will NOT be given “formulas” for items listed in the VOCAB sections (average atomic mass, % error, etc.). Atomic Structure – Ch. 3 1. Identify the scientists who made the following disc ...
... A formula bank will be provided in addition to any values that you might need (electronegativity, etc.), but you will NOT be given “formulas” for items listed in the VOCAB sections (average atomic mass, % error, etc.). Atomic Structure – Ch. 3 1. Identify the scientists who made the following disc ...