Isotopes
... a mix of those four types (details here) The early suns also made radioactive isotopes of iron and pretty much anything else. But those non-stable guys have long since decayed, except if their half-life is billion of years. That's why we still have, for example, some uranium (U) around. 238U, to giv ...
... a mix of those four types (details here) The early suns also made radioactive isotopes of iron and pretty much anything else. But those non-stable guys have long since decayed, except if their half-life is billion of years. That's why we still have, for example, some uranium (U) around. 238U, to giv ...
Unit 2 - therrien
... Rules for Naming Molecular Compounds First element keeps element name Second element changes ending to ide If there is more than one atom a prefix is attached Exception to rule 3 when the first atom is only one we do not use the mono prefix. ...
... Rules for Naming Molecular Compounds First element keeps element name Second element changes ending to ide If there is more than one atom a prefix is attached Exception to rule 3 when the first atom is only one we do not use the mono prefix. ...
ISN III: Building Atoms and Organizing Matter
... 11.Hydrogen has the atomic number 1 because it has ________ proton. It’s symbol is ________. 12. _____________ electrons can fit in the first shell. ____________ electrons fit in the 2nd and 3rd shell. 13.______________________ have the same atomic number but different atomic mass and mass number. 1 ...
... 11.Hydrogen has the atomic number 1 because it has ________ proton. It’s symbol is ________. 12. _____________ electrons can fit in the first shell. ____________ electrons fit in the 2nd and 3rd shell. 13.______________________ have the same atomic number but different atomic mass and mass number. 1 ...
Chapter 4 Atomic Structure
... identical. Atoms of any one element are different from those of any other element. ...
... identical. Atoms of any one element are different from those of any other element. ...
Chemistry 2011-2012
... SC1a. Relate the role of nuclear fusion in producing essentially all elements heavier than helium. SC1b. Identify substances based on chemical and physical properties. SC2 Students will relate how the Law of Conservation of Matter is used to determine chemical composition in compounds and chemical r ...
... SC1a. Relate the role of nuclear fusion in producing essentially all elements heavier than helium. SC1b. Identify substances based on chemical and physical properties. SC2 Students will relate how the Law of Conservation of Matter is used to determine chemical composition in compounds and chemical r ...
File - Mr. Walsh`s AP Chemistry
... named by describing the molecular formula, using prefixes for the numbers. o You will need to memorize the number prefixes for the numbers 1–10. o E.g., P2O5 is diphosphorus pentoxide. **Note that the prefix “mono—“ is never used with the first element. SO3 is simply sulfur trioxide. However, “mono— ...
... named by describing the molecular formula, using prefixes for the numbers. o You will need to memorize the number prefixes for the numbers 1–10. o E.g., P2O5 is diphosphorus pentoxide. **Note that the prefix “mono—“ is never used with the first element. SO3 is simply sulfur trioxide. However, “mono— ...
Semester I CP Chemistry Review
... Fission – One large nucleus breaks down into 2 or + smaller nuclei ...
... Fission – One large nucleus breaks down into 2 or + smaller nuclei ...
SCIENCE LONG TEST
... atoms were small, hard particles made of the same material but of different shapes and sizes there were an infinite number of these atoms and they were constantly in motion atoms had the ability to combine with other atoms atoms could no longer be divided into smaller particles The early ideas about ...
... atoms were small, hard particles made of the same material but of different shapes and sizes there were an infinite number of these atoms and they were constantly in motion atoms had the ability to combine with other atoms atoms could no longer be divided into smaller particles The early ideas about ...
Integrated Science Chapter 3 Notes Section 1: Atomic Structure 1
... the alkali metals are very reactive because it has one valence electron that can be easily removed to forma a positive ion. Alkaline earth metals – the reactive metallic elements located in Group 2 of the periodic table ♦ The alkaline earth metals have two valence electrons, so are less reactive a ...
... the alkali metals are very reactive because it has one valence electron that can be easily removed to forma a positive ion. Alkaline earth metals – the reactive metallic elements located in Group 2 of the periodic table ♦ The alkaline earth metals have two valence electrons, so are less reactive a ...
Atomic Structure
... In search of understanding why elements combine in specific ratios he discovered through his experiments that this happens because they are made of individual atoms. His theory states 3 things 1- Atoms are small and cannot be created, divided or destroyed. 2- Atoms of the same element are all alik ...
... In search of understanding why elements combine in specific ratios he discovered through his experiments that this happens because they are made of individual atoms. His theory states 3 things 1- Atoms are small and cannot be created, divided or destroyed. 2- Atoms of the same element are all alik ...
Chapter 8
... Groups in the Periodic Table • Group IA is called the alkali metals with the exception of hydrogen. These are the most reactive metals. They don’t occur by themselves in nature, only as compounds. They are called the alkali metals because they react violently with water to form alkaline or basic so ...
... Groups in the Periodic Table • Group IA is called the alkali metals with the exception of hydrogen. These are the most reactive metals. They don’t occur by themselves in nature, only as compounds. They are called the alkali metals because they react violently with water to form alkaline or basic so ...
Ch. 4 Slides
... • However, J.J. Thomson discovered electrons, which were much smaller than an atom and negatively charged! • Since atoms are neutral, where’s the ...
... • However, J.J. Thomson discovered electrons, which were much smaller than an atom and negatively charged! • Since atoms are neutral, where’s the ...
File
... Full and stable outermost (valence) shell. Ions usually form as a result of atoms having _________________________________________. +ve charged ions have ______ electrons Gained Lost electrons, while –ve charged ions have __________ ...
... Full and stable outermost (valence) shell. Ions usually form as a result of atoms having _________________________________________. +ve charged ions have ______ electrons Gained Lost electrons, while –ve charged ions have __________ ...
Defining the Atom Guided Reading WS
... a. All elements are composed of tiny, indivisible particles called atoms. b. An element is composed of several types of atoms. c. Atoms of different elements can physically mix together, or can chemically combine in simple, whole-number ratios to form compounds. d. Chemical reactions occur when atom ...
... a. All elements are composed of tiny, indivisible particles called atoms. b. An element is composed of several types of atoms. c. Atoms of different elements can physically mix together, or can chemically combine in simple, whole-number ratios to form compounds. d. Chemical reactions occur when atom ...
Neutron
... The mass found in each element block on the periodic table must account for all isotopes of that element that are in existence and how abundant they are in nature ...
... The mass found in each element block on the periodic table must account for all isotopes of that element that are in existence and how abundant they are in nature ...
Drawing Atomic Structure
... Protons and Neutrons can both be broken down even farther into quarks. More info on pg. 508 ...
... Protons and Neutrons can both be broken down even farther into quarks. More info on pg. 508 ...
PERIODIC PROPERTY: SIZE OF THE ATOM/ ATOMIC RADIUS
... As you move towards right in a row, you will find that the orbit number remains the same but the number of electrons and the number of protons increase. Nucleus becomes more powerful with the increasing number of protons and therefore it becomes capable of binding electrons more closely . That is wh ...
... As you move towards right in a row, you will find that the orbit number remains the same but the number of electrons and the number of protons increase. Nucleus becomes more powerful with the increasing number of protons and therefore it becomes capable of binding electrons more closely . That is wh ...
Atom - Images
... (getting smaller) because the positive charge is greater than the smaller negative charges and pulls them in toward the nucleus. • More electrons than protons = radii increases (getting larger) because the electrons are farther away from the positive nucleus. • The Natural state of atoms has protons ...
... (getting smaller) because the positive charge is greater than the smaller negative charges and pulls them in toward the nucleus. • More electrons than protons = radii increases (getting larger) because the electrons are farther away from the positive nucleus. • The Natural state of atoms has protons ...
Atomic Mass- composed mostly of protons and neutrons in the
... Isotopes – An isotope is an alternative form of an element. Each isotope of an element has the same number of protons, but a different number of neutrons. The isotope is represented by the atomic symbol and mass number, such as He-4. Some isotopes are stable, while others are radioactive, which mean ...
... Isotopes – An isotope is an alternative form of an element. Each isotope of an element has the same number of protons, but a different number of neutrons. The isotope is represented by the atomic symbol and mass number, such as He-4. Some isotopes are stable, while others are radioactive, which mean ...
Unit 2 Lecture
... are such a small portion of the mass of the atom that it must also only make up a small portion of the ...
... are such a small portion of the mass of the atom that it must also only make up a small portion of the ...
Review 2 (Chapters 3,5, 10,11)
... Isotopes: When the Number of Neutrons Varies in an element A. Isotopes have the same chemical properties, but different masses B. Some isotopes are more prevalent than others C. Chemical symbol with mass number indicates which isotope D. Some elements have many isotopes, some very few Elements: Defi ...
... Isotopes: When the Number of Neutrons Varies in an element A. Isotopes have the same chemical properties, but different masses B. Some isotopes are more prevalent than others C. Chemical symbol with mass number indicates which isotope D. Some elements have many isotopes, some very few Elements: Defi ...
Physical Science
... B. An element can be broken down into compounds. Elements cannot be broken down into compounds, but compounds can be broken down into elements through a chemical reaction. C. A compound is made out of two or more elements. Two or more elements chemically combine to make a compound. For example, CO2 ...
... B. An element can be broken down into compounds. Elements cannot be broken down into compounds, but compounds can be broken down into elements through a chemical reaction. C. A compound is made out of two or more elements. Two or more elements chemically combine to make a compound. For example, CO2 ...