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Terms in this set (285) Matter. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Anything that has mass and takes up space; made of atomsBasic unit of matter which cannot be broken down and contain mostly empty space; contains three parts: the electron, proton, and neutronA pure substance that contains only one type of atomTwo or more elements that are chemically bonded; includes ionic and covalentTwo or more substances that are together but not bondedThe state of matter with the lowest energy; basically a very cold solidThe state of matter with the highest energy; it uses ionization instead of bondsFirst to define an element; any substance is a substance unless it can be broken downUsed and combined previous ideas to discuss the atom; elements are made of atoms; all atoms of an element are identical; atoms of different elements are different; law of constant composition; atoms are invisibleAtoms of one element can combine with other elements to form compounds; a given compound always has the same relative numbers and types of atomsDiscovered electrons and protons and developed the plum pudding model of an atomThe negatively charged particle in an atom; circles around the nucleus in the electron cloudThe positively charged particle in an atom; located in the nucleus; determine the elementThe neutral particle in an atom; it has no charge and is located in the nucleusA model of the atom that depicts a sphere of positive charge with electrons scattered throughoutConducted an experiment in which he shot alpha particles at gold foil; roved there was a small, dense nucleus with a positive charge and that protons are positiveElements located on the left side of the periodic table that want to lose electronsThe ability to allow heat or electricity to pass through an objectElements located on the right side of the periodic table that want to gain electronsElements placed in a stair-step line between metals and nonmetals; they have characteristics of bothElements that occur in pairs in their natural state; hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, iodineThe ability of a molecule to attract electrons to it; increases as you move left to right in the table and decreases as you move top to bottom; fluorine is the hardestThe radius of an atom; decreases as you move left to right and increases as you move top to bottomThe energy needed to rip off an electron; increases as you move left to right and decreases as you move top to bottomAn atom that gains electrons and has a negative charge; nonmetalsAn atom that looses electrons and has a positive charge; metalsA unique number to each element that tells the number of protons and the number of electrons if the atom is neutralA number that tells the number of protons and neutrons in an atomA nucleus that spontaneously decomposes, forming a different nucleus and producing one or more particles; alpha, beta, and gamma rayOne type of radioactive particle; it is a essentially a helium nucleus; when this type of particle is released, the mass of the atom is conserved and so is the atomic numberOne type of radioactive particle; it is essentially an electron; when this type of particle is released, the atomic mass is conserved and the atomic number gains one (a neutron is changed to a proton)One type of radioactive particle; it is a high energy photon of light and is used to release excess energy; the atom is not changed at allThe time required for half of the original sample of nuclei to decay; each radioactive nucleus of the same element has the same half-life; the shorter the half-life, the more likely a nucleus will decayElements exist naturally in different isotopes, to the atomic mass listed on the table is an averageAverage Mass = (%)•(Mass of Isotope A) + (%)•(Mass of Isotope B) +...The distance between the crests of a wave; symbol is lambdaThe number of waves that pass through a point in a given time; symbol is nuThe height of a crest or trough; crest to the zero line; absolute valuePoint on a wave where the wave returns to the zero line; a crest or trough is trapped between the two pointsThe range of wavelengths or frequencies over which electromagnetic radiation extendWhite light is passed through a prism and creates all visible colors; each color has its own frequency and wavelengthWhen an atom is excited by energy it gives off its own characteristic colors of lighta.k.a. Write. A Word on Aleks Questions.
Success in General Chemistry I is highly dependent upon students …Combo: Connect Access Card Chemistry with LearnSmart 1 Semester Access Card for Chemistry - Atoms First with ALEKS for General Chemistry Access …Starting Fall 2019, students registered (or wanting to register) for CHEM 1111 (General Chemistry I) will be required to take an online chemistry knowledge check and complete the subsequent online Chemistry Preparatory Course (CPC) between May 1 and August 19, 2019.Start studying Chem ALEKs.
Terms in this set (285) Matter. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Anything that has mass and takes up space; made of atomsBasic unit of matter which cannot be broken down and contain mostly empty space; contains three parts: the electron, proton, and neutronA pure substance that contains only one type of atomTwo or more elements that are chemically bonded; includes ionic and covalentTwo or more substances that are together but not bondedThe state of matter with the lowest energy; basically a very cold solidThe state of matter with the highest energy; it uses ionization instead of bondsFirst to define an element; any substance is a substance unless it can be broken downUsed and combined previous ideas to discuss the atom; elements are made of atoms; all atoms of an element are identical; atoms of different elements are different; law of constant composition; atoms are invisibleAtoms of one element can combine with other elements to form compounds; a given compound always has the same relative numbers and types of atomsDiscovered electrons and protons and developed the plum pudding model of an atomThe negatively charged particle in an atom; circles around the nucleus in the electron cloudThe positively charged particle in an atom; located in the nucleus; determine the elementThe neutral particle in an atom; it has no charge and is located in the nucleusA model of the atom that depicts a sphere of positive charge with electrons scattered throughoutConducted an experiment in which he shot alpha particles at gold foil; roved there was a small, dense nucleus with a positive charge and that protons are positiveElements located on the left side of the periodic table that want to lose electronsThe ability to allow heat or electricity to pass through an objectElements located on the right side of the periodic table that want to gain electronsElements placed in a stair-step line between metals and nonmetals; they have characteristics of bothElements that occur in pairs in their natural state; hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, iodineThe ability of a molecule to attract electrons to it; increases as you move left to right in the table and decreases as you move top to bottom; fluorine is the hardestThe radius of an atom; decreases as you move left to right and increases as you move top to bottomThe energy needed to rip off an electron; increases as you move left to right and decreases as you move top to bottomAn atom that gains electrons and has a negative charge; nonmetalsAn atom that looses electrons and has a positive charge; metalsA unique number to each element that tells the number of protons and the number of electrons if the atom is neutralA number that tells the number of protons and neutrons in an atomA nucleus that spontaneously decomposes, forming a different nucleus and producing one or more particles; alpha, beta, and gamma rayOne type of radioactive particle; it is a essentially a helium nucleus; when this type of particle is released, the mass of the atom is conserved and so is the atomic numberOne type of radioactive particle; it is essentially an electron; when this type of particle is released, the atomic mass is conserved and the atomic number gains one (a neutron is changed to a proton)One type of radioactive particle; it is a high energy photon of light and is used to release excess energy; the atom is not changed at allThe time required for half of the original sample of nuclei to decay; each radioactive nucleus of the same element has the same half-life; the shorter the half-life, the more likely a nucleus will decayElements exist naturally in different isotopes, to the atomic mass listed on the table is an averageAverage Mass = (%)•(Mass of Isotope A) + (%)•(Mass of Isotope B) +...The distance between the crests of a wave; symbol is lambdaThe number of waves that pass through a point in a given time; symbol is nuThe height of a crest or trough; crest to the zero line; absolute valuePoint on a wave where the wave returns to the zero line; a crest or trough is trapped between the two pointsThe range of wavelengths or frequencies over which electromagnetic radiation extendWhite light is passed through a prism and creates all visible colors; each color has its own frequency and wavelengthWhen an atom is excited by energy it gives off its own characteristic colors of lighta.k.a. Write. A Word on Aleks Questions.
Success in General Chemistry I is highly dependent upon students …Combo: Connect Access Card Chemistry with LearnSmart 1 Semester Access Card for Chemistry - Atoms First with ALEKS for General Chemistry Access …Starting Fall 2019, students registered (or wanting to register) for CHEM 1111 (General Chemistry I) will be required to take an online chemistry knowledge check and complete the subsequent online Chemistry Preparatory Course (CPC) between May 1 and August 19, 2019.Start studying Chem ALEKs.