U1 Periodic Trends - Alliance Ouchi-O`Donovan 6
... classification of the elements and the periodic law using a deck of special element cards. The real properties of the elements, but not their names or symbols, are written on these cards. As the cards are arranged and rearranged based on logical trends in some of these properties, the nature of the ...
... classification of the elements and the periodic law using a deck of special element cards. The real properties of the elements, but not their names or symbols, are written on these cards. As the cards are arranged and rearranged based on logical trends in some of these properties, the nature of the ...
Atomic Theories
... are identical and different from any other element 4. A given compound always has the same relative numbers and kinds of atoms ...
... are identical and different from any other element 4. A given compound always has the same relative numbers and kinds of atoms ...
periodic trends 14 - Reeths
... 16. The outermost electron should be more _____________ ____________, and the element should have a ______________ ionization energy. ...
... 16. The outermost electron should be more _____________ ____________, and the element should have a ______________ ionization energy. ...
ps-5-1-and-5-2-ws
... 16.The average mass of all the isotopes of an element is called the ___________________________ 17.The modern periodic table is arranged in order of increasing _______________________________ 18. Information found on the periodic table for each element includes its atomic number, , name, and atomic ...
... 16.The average mass of all the isotopes of an element is called the ___________________________ 17.The modern periodic table is arranged in order of increasing _______________________________ 18. Information found on the periodic table for each element includes its atomic number, , name, and atomic ...
Models Atoms - Hardy Science
... 6. ____________________ Negatively charged particles in an atom are called electrons. 7. ____________________ The cloud model of the atom describes the location of electrons as specific orbits around the nucleus. 8. ____________________ Atoms with the same number of protons but different numbers of ...
... 6. ____________________ Negatively charged particles in an atom are called electrons. 7. ____________________ The cloud model of the atom describes the location of electrons as specific orbits around the nucleus. 8. ____________________ Atoms with the same number of protons but different numbers of ...
Early Models of Atom
... 1. Each element is composed of indivisible particles called atoms 2. In an element, all of the atoms are identical. Atoms of different elements have different properties, such as mass. 3. In chemical reactions atoms are neither created nor destroyed. 4. In compounds atoms of more then one element co ...
... 1. Each element is composed of indivisible particles called atoms 2. In an element, all of the atoms are identical. Atoms of different elements have different properties, such as mass. 3. In chemical reactions atoms are neither created nor destroyed. 4. In compounds atoms of more then one element co ...
2 - My George School
... • Alpha particles shot at a thin gold foil • Some are _______, some go ________, some __________! – Proves atoms have positively charged nucleus – Disproves Lord Kelvin’s __________________ ...
... • Alpha particles shot at a thin gold foil • Some are _______, some go ________, some __________! – Proves atoms have positively charged nucleus – Disproves Lord Kelvin’s __________________ ...
CH 115 Fall 2014Exam I Review Brief overview of topics/concepts to
... General model of an atom – what is it made of, how is it organized Dalton’s atomic theory – Be able to explain in your own words Exceptions Subatomic particles – what are they Atomic number Mass number Atomic weight Atomic mass Isotopes + calculating atomic weight of an element, vice v ...
... General model of an atom – what is it made of, how is it organized Dalton’s atomic theory – Be able to explain in your own words Exceptions Subatomic particles – what are they Atomic number Mass number Atomic weight Atomic mass Isotopes + calculating atomic weight of an element, vice v ...
Periodic Table Cloze - Science
... nucleus of an atom. As well, elements that have similar _________________ are placed in the same _________________. For example, copper, silver, and _________________ all have similar properties and are all placed in column eleven of the periodic table. Elements on the left side of the table tend to ...
... nucleus of an atom. As well, elements that have similar _________________ are placed in the same _________________. For example, copper, silver, and _________________ all have similar properties and are all placed in column eleven of the periodic table. Elements on the left side of the table tend to ...
The Atomic Theory of Matter
... other properties. Atoms of one element are different from that of another element. • Atoms are not changed into atoms of a different element by chemical reactions; they are neither changed nor destroyed during chemical reactions. ...
... other properties. Atoms of one element are different from that of another element. • Atoms are not changed into atoms of a different element by chemical reactions; they are neither changed nor destroyed during chemical reactions. ...
The Atom
... charge (e=1.602 x 10 -19 coulomb) and the mass (m = 9.11 x 10 -28 gram) of an electron. ...
... charge (e=1.602 x 10 -19 coulomb) and the mass (m = 9.11 x 10 -28 gram) of an electron. ...
Structure-Prop of Matter session
... Carbon-14 and Carbon-13 atoms’ are not as stable as carbon-12 and easily break down. If an isotope has too many or too few neutrons compared to the number of protons, it is unstable and will undergo radioactive decay. These radioactive isotopes become different elements in an effort to become more s ...
... Carbon-14 and Carbon-13 atoms’ are not as stable as carbon-12 and easily break down. If an isotope has too many or too few neutrons compared to the number of protons, it is unstable and will undergo radioactive decay. These radioactive isotopes become different elements in an effort to become more s ...
Intro to Element Note Answers
... Alchemists were early chemists whose mean focus was … to turn Pb to Au (change one element into another) Elements are … the building blocks of matter, basic substances that can’t be broken down by ordinary chemical changes ...
... Alchemists were early chemists whose mean focus was … to turn Pb to Au (change one element into another) Elements are … the building blocks of matter, basic substances that can’t be broken down by ordinary chemical changes ...
Atomic Structure 1
... • Definition: the weighted average of all of the isotopes of an element. • What’s a weighted average? – Take carbon for example. You’ll notice that the atomic mass is very close to 12. There are heavier forms of carbon, but they occur much less frequently than Carbon 12. If you take the average base ...
... • Definition: the weighted average of all of the isotopes of an element. • What’s a weighted average? – Take carbon for example. You’ll notice that the atomic mass is very close to 12. There are heavier forms of carbon, but they occur much less frequently than Carbon 12. If you take the average base ...
Earth`s Chemistry
... Ionic bonds = electrons are transferred from one atom to another Ion = an atom or group of atoms that carry an electrical charge ( positive or negative) Covalent bond = share electrons Chemical formulas = a representation of a compound (Ex. H2O) ...
... Ionic bonds = electrons are transferred from one atom to another Ion = an atom or group of atoms that carry an electrical charge ( positive or negative) Covalent bond = share electrons Chemical formulas = a representation of a compound (Ex. H2O) ...
Chemical Bonds
... compounds An atom is chemically stable when it has a complete outer energy level ...
... compounds An atom is chemically stable when it has a complete outer energy level ...
Unit 4 Study Guide Groups to know: Alkali Metals
... -proposed that electrons orbit the nucleus in distinct energy levels like planets around the sun Modern Atomic Theory -Electrons move randomly around the nucleus in the electron cloud -We cannot know the exact speed and location of an electron at the same time; we can calculate the general area wher ...
... -proposed that electrons orbit the nucleus in distinct energy levels like planets around the sun Modern Atomic Theory -Electrons move randomly around the nucleus in the electron cloud -We cannot know the exact speed and location of an electron at the same time; we can calculate the general area wher ...
Atomic Timeline
... Isotopes – atoms of an element that have the same number of protons but different numbers of neutrons. This change in neutrons is reflected in the Mass Number ...
... Isotopes – atoms of an element that have the same number of protons but different numbers of neutrons. This change in neutrons is reflected in the Mass Number ...
CP Chemistry First Semester Final Exam 1
... ____ 1. Reactants ____ 2. Metals ____ 3. Ionic bond ____ 4. Atomic number ____ 5. Isoelectronic ____ 6. Quantum ____ 7. JJ Thomson ____ 8. Anion ____ 9. Cation ____ 10. Mendeleev ____ 11. Atomic mass ____ 12. Covalent bond ...
... ____ 1. Reactants ____ 2. Metals ____ 3. Ionic bond ____ 4. Atomic number ____ 5. Isoelectronic ____ 6. Quantum ____ 7. JJ Thomson ____ 8. Anion ____ 9. Cation ____ 10. Mendeleev ____ 11. Atomic mass ____ 12. Covalent bond ...
Test Review: Unit 1 - Ms. Hill`s Pre
... normal chemical and physical changes (Dalton didn’t describe/clarify normal circumstances, matter can be created and destroyed in nuclear reactions) b. Law of Definite Proportions: the fact that a chemical compound contain exactly the same elements in exactly the same proportions in exactly the same ...
... normal chemical and physical changes (Dalton didn’t describe/clarify normal circumstances, matter can be created and destroyed in nuclear reactions) b. Law of Definite Proportions: the fact that a chemical compound contain exactly the same elements in exactly the same proportions in exactly the same ...