NANO-MODULE: Introduction to Chemistry Name: Date: Objectives
... Name: _________________________ ...
... Name: _________________________ ...
Cornell notes template
... how to draw them. This was important to this Unit because the diagrams showed what the atoms do to bond together and what happens to the extra electrons And, used them to stabilizing ionic ionic compounds, covalent compounds, diatomic molecules and finding valence Electrons before before it happens. ...
... how to draw them. This was important to this Unit because the diagrams showed what the atoms do to bond together and what happens to the extra electrons And, used them to stabilizing ionic ionic compounds, covalent compounds, diatomic molecules and finding valence Electrons before before it happens. ...
ATOMS, MOLECULES and IONS
... of which have the same atomic number; in Carbon, every atom has 6 e - and a nucleus with a charge of + 6 (ie; 6 protons). The atoms of each element have a unique number of protons, neutrons and electrons; it is these differing numbers that make the elements behave differently. ISOTOPES are atoms of ...
... of which have the same atomic number; in Carbon, every atom has 6 e - and a nucleus with a charge of + 6 (ie; 6 protons). The atoms of each element have a unique number of protons, neutrons and electrons; it is these differing numbers that make the elements behave differently. ISOTOPES are atoms of ...
GOB 3ed Chapter 2 part 1
... •An element is a pure substance that cannot be broken down into simpler substances by a chemical reaction. •Each element is identified by a one- or two-letter symbol. •Elements are arranged in the periodic table. •The position of an element in the periodic table tells us much about its chemical prop ...
... •An element is a pure substance that cannot be broken down into simpler substances by a chemical reaction. •Each element is identified by a one- or two-letter symbol. •Elements are arranged in the periodic table. •The position of an element in the periodic table tells us much about its chemical prop ...
Matter and Chemical Change PPT
... changed, but not its chemical composition. The change is temporary/reversible. E.g. ice melts to form a puddle of water, we dissolve sugar in water. Chemical Change: causes one or more new substances, with new properties, to be formed and may be difficult or impossible to reverse. e.g. burning paper ...
... changed, but not its chemical composition. The change is temporary/reversible. E.g. ice melts to form a puddle of water, we dissolve sugar in water. Chemical Change: causes one or more new substances, with new properties, to be formed and may be difficult or impossible to reverse. e.g. burning paper ...
inorganic-chemistry-gp-i-alkali-metals
... Hydration enthalpy decreases down the group. Now some properties which are decided by the enthalpy itself is hydrated ionic radius follows, Li+ > K+ > Na+ > Rb+ > Cs+ > Fr+ (hydrated ionic radius) now since the hydrated size decreases down the group the mobility is more of a smaller ion so mobility ...
... Hydration enthalpy decreases down the group. Now some properties which are decided by the enthalpy itself is hydrated ionic radius follows, Li+ > K+ > Na+ > Rb+ > Cs+ > Fr+ (hydrated ionic radius) now since the hydrated size decreases down the group the mobility is more of a smaller ion so mobility ...
Variation in Properties of Group II Compounds
... II elements and their compounds are illustrated. Variation in properties of group II elements and their compounds include both physical and chemical properties. Variation in Physical Properties of the Elements Variation in Atomic and Ionic radii There is a general increase in atomic and ionic radii ...
... II elements and their compounds are illustrated. Variation in properties of group II elements and their compounds include both physical and chemical properties. Variation in Physical Properties of the Elements Variation in Atomic and Ionic radii There is a general increase in atomic and ionic radii ...
History - E. R. Greenman
... of differing characteristics.) 2.All atoms of an element are identical. All atoms of one element are different from atoms of other elements. 3.Compounds are made of atoms of more than one element. The ratio of the elements is a simple fraction. 4.A chemical reaction involves separation, combination ...
... of differing characteristics.) 2.All atoms of an element are identical. All atoms of one element are different from atoms of other elements. 3.Compounds are made of atoms of more than one element. The ratio of the elements is a simple fraction. 4.A chemical reaction involves separation, combination ...
Chemical Bond – a force that holds two atoms together, the bond
... Ionic Bond – an electrostatic force between two different atomic elements (atomic nonmetal and an atomic metal) in which the atomic nonmetal steals the available electron/s for bonding from the atomic metal, thus creating a positive cation on the atomic metal, and a negative anion from atomic non me ...
... Ionic Bond – an electrostatic force between two different atomic elements (atomic nonmetal and an atomic metal) in which the atomic nonmetal steals the available electron/s for bonding from the atomic metal, thus creating a positive cation on the atomic metal, and a negative anion from atomic non me ...
Ch 4 Review PowerPoint ch4jeopardy_review1
... How tightly an atom holds on to its electrons or the energy needed to remove electrons from protons is called this. • What is Ionization Energy? ...
... How tightly an atom holds on to its electrons or the energy needed to remove electrons from protons is called this. • What is Ionization Energy? ...
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 ...
Subatomic Heavyweights
... Atoms of the same element will ALWAYS have the same number of protons • Atomic weight: the weighted average atomic mass of the naturally occurring isotopes (the # on the periodic table) ...
... Atoms of the same element will ALWAYS have the same number of protons • Atomic weight: the weighted average atomic mass of the naturally occurring isotopes (the # on the periodic table) ...
ATOMS AND ELEMENTS Evolution of Atomic Theory
... Positively charged particles, called protons, are contained in the nucleus. Electrons (negatively charged particles) “orbit” around the nucleus throughout the atom. Later experiments also confirmed that all atoms except hydrogen must contain one or more neutral (non-charged) particles called neutron ...
... Positively charged particles, called protons, are contained in the nucleus. Electrons (negatively charged particles) “orbit” around the nucleus throughout the atom. Later experiments also confirmed that all atoms except hydrogen must contain one or more neutral (non-charged) particles called neutron ...
File
... 1913 Ad Neil bohr proposes a theory “ Bohr Model” of the atom in which the electrons are restricted to specific shells around the nucleus. The amount of energy an electron has is related to how far it is from the nucleus. 1920’S Further discoveries were made about the behaviour of electrons in atoms ...
... 1913 Ad Neil bohr proposes a theory “ Bohr Model” of the atom in which the electrons are restricted to specific shells around the nucleus. The amount of energy an electron has is related to how far it is from the nucleus. 1920’S Further discoveries were made about the behaviour of electrons in atoms ...
Chapter 3, Section 1 Inside an Atom
... Because of its size, atoms cannot be measured with everyday units. The atomic mass unit (amu) was created to measure the particles in atoms. The majority of the atom’s mass is in the nucleus. ...
... Because of its size, atoms cannot be measured with everyday units. The atomic mass unit (amu) was created to measure the particles in atoms. The majority of the atom’s mass is in the nucleus. ...
Grade 9 Science Unit: Atoms and Elements Topic 4: Periodic Table
... Some metals, such as __________ and ___________, are too ___________ to be used alone for some purposes. Therefore, to make a substance stronger, some metals are often melted and mixed with other melted metal elements. The mixture is cooled to become a solid ____________. A solution of two or more m ...
... Some metals, such as __________ and ___________, are too ___________ to be used alone for some purposes. Therefore, to make a substance stronger, some metals are often melted and mixed with other melted metal elements. The mixture is cooled to become a solid ____________. A solution of two or more m ...
chapter02_part1_lecture - bloodhounds Incorporated
... number of protons (positively charged) is equal to the number of electrons ...
... number of protons (positively charged) is equal to the number of electrons ...
Chemistry in Focus 3rd edition Tro
... Mendeleev and the Periodic Table • Proposed that elements would be discovered to fill in gaps in the table. • Proposed that some measured atomic masses were in error. • Summarized a large number of observations – The underlying reasons for periodic behavior were as yet unknown – The Bohr model and ...
... Mendeleev and the Periodic Table • Proposed that elements would be discovered to fill in gaps in the table. • Proposed that some measured atomic masses were in error. • Summarized a large number of observations – The underlying reasons for periodic behavior were as yet unknown – The Bohr model and ...
Chapter 2: The Composition and Structure of the Atom • 2.1 Matter
... o Energy is released as the electron travels back to lower levels. Relaxation. o Orbit – what Bohr called the fixed energy levels. o Ground state – the lowest possible energy state an electron can occupy. o The orbits are also identified using “quantum numbers”: 1, 2, 3, … o When the electron relaxe ...
... o Energy is released as the electron travels back to lower levels. Relaxation. o Orbit – what Bohr called the fixed energy levels. o Ground state – the lowest possible energy state an electron can occupy. o The orbits are also identified using “quantum numbers”: 1, 2, 3, … o When the electron relaxe ...
5SC19 Elements, Mixtures, and Compounds
... a mixture, the materials are only physically combined and can be separated. Substances in a mixture have the same properties as they did before they were mixed together. An example of a mixture is a www.newpathlearning.com bowl full of a variety of nuts. ...
... a mixture, the materials are only physically combined and can be separated. Substances in a mixture have the same properties as they did before they were mixed together. An example of a mixture is a www.newpathlearning.com bowl full of a variety of nuts. ...
Atoms, Molecules, and Ions
... Polyatomic Ions Polyatomic Ions – many atoms with a charge See test packet for a list of common PAI’s Covalently bonded (nonmetals) ...
... Polyatomic Ions Polyatomic Ions – many atoms with a charge See test packet for a list of common PAI’s Covalently bonded (nonmetals) ...
3-2 Radioactivity and the nucleus
... At first the atom was thought to be a solid ball but then when electrons were discovered it was thought to be like plum pudding with the negative electrons embedded in a positive atom (Fig.1 p.280). ...
... At first the atom was thought to be a solid ball but then when electrons were discovered it was thought to be like plum pudding with the negative electrons embedded in a positive atom (Fig.1 p.280). ...