Metals and Non
... electrons. Nonmetals are mostly gases, liquid (bromine), or low melting solids and are very poor conductors of heat and electricity. Found to the right of the “diagonal line” on the Periodic Table Semimetals (metalloids): elements that display both metallic and nonmetallic properties under appropria ...
... electrons. Nonmetals are mostly gases, liquid (bromine), or low melting solids and are very poor conductors of heat and electricity. Found to the right of the “diagonal line” on the Periodic Table Semimetals (metalloids): elements that display both metallic and nonmetallic properties under appropria ...
Topic 3-Periodicity
... Looking for patterns—the position of an element in the periodic table allows scientists to make accurate predictions of its physical and chemical properties. This gives scientists the ability to synthesize new substances based on the expected reactivity of elements. (3.1) Understandings: ...
... Looking for patterns—the position of an element in the periodic table allows scientists to make accurate predictions of its physical and chemical properties. This gives scientists the ability to synthesize new substances based on the expected reactivity of elements. (3.1) Understandings: ...
Periodic Table of Elements
... • These atoms also tend to share electrons when forming compounds. • Oxygen is the most abundant element in the earth’s crust and the 2nd most in the atmosphere. • Examples: S, Te, and Po ...
... • These atoms also tend to share electrons when forming compounds. • Oxygen is the most abundant element in the earth’s crust and the 2nd most in the atmosphere. • Examples: S, Te, and Po ...
Periodic Trends
... Many properties of the elements tend to change in a predictable way, known as trends. Trends among elements in the periodic table include their sizes and their abilities to lose or attract electrons. Atomic Size Definition: Atomic size is related the atomic radius of an element, which is defined as ...
... Many properties of the elements tend to change in a predictable way, known as trends. Trends among elements in the periodic table include their sizes and their abilities to lose or attract electrons. Atomic Size Definition: Atomic size is related the atomic radius of an element, which is defined as ...
Periodic Law
... easily, a large amount of energy is released (indicated by a high negative number). These elements will have a high electron affinity. ...
... easily, a large amount of energy is released (indicated by a high negative number). These elements will have a high electron affinity. ...
Exam Essays
... it does not show the sun's composition. The atomic model is inaccurate because it is larger than a real atom, because it is only two-dimensional, and because it does not depict the atom's composition and chemical properties. ...
... it does not show the sun's composition. The atomic model is inaccurate because it is larger than a real atom, because it is only two-dimensional, and because it does not depict the atom's composition and chemical properties. ...
4-2 A Guided Tour of the Periodic Table
... An amu is equal to one-twelfth of the mass of a carbon-12 atom. This isotope of carbon has six protons and six neutrons, so individual protons and neutrons must each have a mass of about 1.0 amu, because electrons contribute very little mass. ...
... An amu is equal to one-twelfth of the mass of a carbon-12 atom. This isotope of carbon has six protons and six neutrons, so individual protons and neutrons must each have a mass of about 1.0 amu, because electrons contribute very little mass. ...
Monday - Houston ISD
... Standards does it support? - How does it support the Readiness Standards? I will know my students have mastered this standard when they can…. ...
... Standards does it support? - How does it support the Readiness Standards? I will know my students have mastered this standard when they can…. ...
Effective Nuclear Charge
... Within each period, the metals at the left form cations and the nonmetals at the right form anions. There is a decrease in the ionic radii of the cations from left to right and a decrease in the ionic radii of the anions from left to right. ...
... Within each period, the metals at the left form cations and the nonmetals at the right form anions. There is a decrease in the ionic radii of the cations from left to right and a decrease in the ionic radii of the anions from left to right. ...
Year 9 study the new AQA GCSE specification for first examination
... • are non-metals • consist of molecules which are made up of pairs of atoms • react with metals to form ionic compounds in which the halide ion carries a charge of –1 • form molecular compounds with other non-metallic elements. In Group 7, the further down the group an element is the higher its re ...
... • are non-metals • consist of molecules which are made up of pairs of atoms • react with metals to form ionic compounds in which the halide ion carries a charge of –1 • form molecular compounds with other non-metallic elements. In Group 7, the further down the group an element is the higher its re ...
The Periodic Table
... • Elements in same group have the same number of electrons in their outer energy levels. • The outer energy level can be drawn using an electron dot diagram. • The symbol of the element and a series of dots are used to represent electrons in the outer energy levels. • Developed by American chemist G ...
... • Elements in same group have the same number of electrons in their outer energy levels. • The outer energy level can be drawn using an electron dot diagram. • The symbol of the element and a series of dots are used to represent electrons in the outer energy levels. • Developed by American chemist G ...
Evidence Statements: HS-PS1-1
... Statement: Examples of properties that could be predicted from patterns could include reactivity of metals, types of bonds formed, numbers of bonds formed, and reactions with oxygen.] [Assessment Boundary: Assessment is limited to main group elements. Assessment does not include quantitative underst ...
... Statement: Examples of properties that could be predicted from patterns could include reactivity of metals, types of bonds formed, numbers of bonds formed, and reactions with oxygen.] [Assessment Boundary: Assessment is limited to main group elements. Assessment does not include quantitative underst ...
Ch. 11.4 Notes (Periodicity) teacher
... tend to __________ e-’s anyway, and this makes them highly ________________ attracted to e-’s when forming a chemical bond. Noble __________ gases – ___________ are not listed in Figure 12.4 since they do not ________ form _____________ compounds ! ...
... tend to __________ e-’s anyway, and this makes them highly ________________ attracted to e-’s when forming a chemical bond. Noble __________ gases – ___________ are not listed in Figure 12.4 since they do not ________ form _____________ compounds ! ...
Chapter 3: Atoms & the Periodic Table
... are more reactive than most metals • Never found uncombined in nature • They have 2 valence electrons ...
... are more reactive than most metals • Never found uncombined in nature • They have 2 valence electrons ...
The Periodic Table
... React readily with Group 6 React readily with water (though not as rapidly as the alkali metals) Two valence electron so they want to lose 2 electrons and achieve a noble configuration (an octet) form +2 cations ...
... React readily with Group 6 React readily with water (though not as rapidly as the alkali metals) Two valence electron so they want to lose 2 electrons and achieve a noble configuration (an octet) form +2 cations ...
6.6 – Periodic Table
... similar chemical properties. Period – Horizontal row on the periodic table. These elements have the same number of occupied energy levels. Valence Electrons – Electrons found in the outermost shell of an atom. These electrons determine the atom’s chemical properties. ...
... similar chemical properties. Period – Horizontal row on the periodic table. These elements have the same number of occupied energy levels. Valence Electrons – Electrons found in the outermost shell of an atom. These electrons determine the atom’s chemical properties. ...
Electronegativity, Ionization Energy and Atomic Radius Chart
... Fluorine and chlorine are extremely corrosive gases, and should be stored in special sealed cylinders. Chlorine is very toxic, and is used in water treatment and in swimming pools to kill bacteria. Bromine is a corrosive liquid, but since it is less reactive than chlorine, it can be used to kill bac ...
... Fluorine and chlorine are extremely corrosive gases, and should be stored in special sealed cylinders. Chlorine is very toxic, and is used in water treatment and in swimming pools to kill bacteria. Bromine is a corrosive liquid, but since it is less reactive than chlorine, it can be used to kill bac ...
Slide 1
... c. Most are gasses are room temperature. d. Some are solid like Sulfur and Phosphorus e. Bromine is a dark red liquid f. Poor conductors except for Carbon g. Solids tend to be brittle h. Vary in color i. Not malleable or ductile 5. Metalloids a. Form a stairway from Boron to Astatine b. Properties r ...
... c. Most are gasses are room temperature. d. Some are solid like Sulfur and Phosphorus e. Bromine is a dark red liquid f. Poor conductors except for Carbon g. Solids tend to be brittle h. Vary in color i. Not malleable or ductile 5. Metalloids a. Form a stairway from Boron to Astatine b. Properties r ...
The Atom Hypothesis
... 1.The elements, if arranged according to their atomic weights, exhibit an apparent periodicity of properties. 2.Elements which are similar as regards their chemical properties have atomic weights which are either of nearly the same value (eg. Pt, Ir, Os) or which increase regularly (eg. K, Ru, Cs). ...
... 1.The elements, if arranged according to their atomic weights, exhibit an apparent periodicity of properties. 2.Elements which are similar as regards their chemical properties have atomic weights which are either of nearly the same value (eg. Pt, Ir, Os) or which increase regularly (eg. K, Ru, Cs). ...
Chapter 6 Study Guide Key
... 10.What trend in atomic radius occurs down a group on the periodic table? What causes this trend? Atomic Radius increases down a group on the periodic table. This is due to adding energy levels as you go down a group, as well as increased electron-electron repulsions due to an increased number of in ...
... 10.What trend in atomic radius occurs down a group on the periodic table? What causes this trend? Atomic Radius increases down a group on the periodic table. This is due to adding energy levels as you go down a group, as well as increased electron-electron repulsions due to an increased number of in ...
Organizing the periodic table
... increases. The lightest atom is Hydrogen, the heaviest is Ununoctium, atomic number 118. ...
... increases. The lightest atom is Hydrogen, the heaviest is Ununoctium, atomic number 118. ...
Document
... I can create graphs using the Excel software. I can analyze trends across the periods and down the groups by interpreting the graphs. ...
... I can create graphs using the Excel software. I can analyze trends across the periods and down the groups by interpreting the graphs. ...
Periodic Table Notes Powerpoin
... 1. Atomic Radius – (size) a. increases as you move top to bottom within a group or family b. decreases as you move left to right because of effective nuclear charge → more protons in the nucleus to attract the electrons ...
... 1. Atomic Radius – (size) a. increases as you move top to bottom within a group or family b. decreases as you move left to right because of effective nuclear charge → more protons in the nucleus to attract the electrons ...