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Periodic Trends

Periodic Trends

Periodic Trends. OBJECTIVES: Interpret group trends in atomic radii, ionic radii, ionization energies, m.p., b.p., electronegativity and chemical properties. Trends in Atomic Size. First problem: Where do you start measuring from? The electron cloud doesn’t have a definite edge.

By bary
(195 views)

1.6 Ionisation Energies

1.6 Ionisation Energies

1.6 Ionisation Energies. First Ionisation Energy. LO: I understand what the first ionisation is. The first ionisation energy of an element is the energy required to remove one electron from every atom in one mole of free atoms. 1st ionisation energy of magnesium:. Mg(g). Mg + (g). +. e.

By zhen
(119 views)

Basic Chemistry

Basic Chemistry

Basic Chemistry. Matter. Matter- is anything that takes up space. Each kind of matter has specific properties, or characteristics, that distinguish it from every other kind of matter. Physical Properties of Matter.

By peggy
(102 views)

4 The Atom & Electronic Configuration

4 The Atom & Electronic Configuration

4 The Atom & Electronic Configuration. Bohr Model of the Atom. Bohr suggested that an electron moving in an orbit can only have certain amounts of energy not an infinite number of value. This energy is quantised .

By Lucy
(244 views)

X-Rays in Medicine

X-Rays in Medicine

X-Rays in Medicine. Tyler Bradshaw- Fall 2008. Discovery of X-Rays . -W ilhelm Conrad Roentgen-1895 -E lectrical discharges in a vacuum tube -C aused a phosphored screen to fluoresce -F ormed an image of bone -F irst x-ray photograph of wife’s hand/ring . X-rays in Medicine.

By anoki
(120 views)

Chemical Properties of Atoms

Chemical Properties of Atoms

Chemical Properties of Atoms. Electrons determine how an atom behaves when it encounters other atoms. First electron shell can hold 2 electrons. Outer electron shell can hold 8 electrons. Electron. Hydrogen H Atomic number = 1. Carbon C Atomic number = 6. Nitrogen N

By errol
(189 views)

Molecular Structure 1

Molecular Structure 1

Molecular Structure 1. Topics. Introduction The Ionic Bond Summary. Introduction. Molecules are quantum systems with at least two nuclei interacting with one or more electrons For example, the N 2 molecule consists of 2 nuclei and 14 electrons

By kory
(79 views)

Ionic Compounds

Ionic Compounds

Ionic Compounds. Atoms are rarely found in nature in their pure state. Most often they are combined with other elements in compounds. Two major types of compounds we will study are molecular and ionic compounds. These two major groups of compounds are different by the way they combine.

By arlo
(229 views)

Models of the Atom

Models of the Atom

Models of the Atom. Physics 1161: Lecture 23. Sections 31-1 – 31-6. Bohr model works, approximately. Hydrogen-like energy levels (relative to a free electron that wanders off):. Energy of a Bohr orbit. Typical hydrogen-like radius (1 electron, Z protons):. Radius of a Bohr orbit.

By brad
(122 views)

Periodicity

Periodicity

Periodicity. Contents. The Periodic Table Physical Properties Chemical Properties. The Periodic Table. Objectives:. Describe the arrangement of elements in the periodic table in order of increasing atomic number

By cleta
(164 views)

THE ALKALI METALS

THE ALKALI METALS

THE ALKALI METALS. These are the alkali metals or Group 1 Elements. Li. Na. K. Rb. Cs. H. He. Fr. Li. Be. B. C. N. O. F. Ne. Na. Mg. Al. Si. P. S. Cl. Ar. K. Ca. Sc. Ti. V. Cr. Mn. Fe. Co. Ni. Cu. Zn. Ga. Ge. As. Se. Br. Kr. Rb. Sr. Y. Zr. Nb. Mo.

By zulema
(272 views)

Periodic Trends

Periodic Trends

Periodic Trends. For each slide with a periodic table - copy the definition. Copy ALL of the other slides. The purpose of this exercise is for you to be able to understand 4 periodic trends and how to predict them.

By ama
(152 views)

Properties and lewis dots notes

Properties and lewis dots notes

Properties and lewis dots notes. Please select the “slide show” tab and “play from beginning”. Properties of different bonds. Ionic An attractive force between two oppositely charged ions, formed when a metal and a nonmetal bond. Covalent

By lucie
(113 views)

The Chemical Basis of Life

The Chemical Basis of Life

The Chemical Basis of Life. Energy levels of electrons. *chemical behavior due to electrons. Electron configuration and chemical properties:. Covalent Bonds. A covalent bond forms when two atoms share one or more pairs of outer-shell electrons.

By pembroke
(184 views)

Neon & Fluorescents lights

Neon & Fluorescents lights

Neon & Fluorescents lights. How does Neon lights work?. A neon tube contains a gas that emits when an electrical current passed through it.

By helene
(141 views)

Electromagnetism

Electromagnetism

Electromagnetism . Lecture 1. Course Outline as a Reminder. Module Leader: Engineer Bilal Ahmad MSC in Mobile and Distributed Computing Networks (Leeds Met University) BS in Telecom Engineering (FAST, Pakistan) (Registered from Pakistan Engineering Council)

By shayla
(62 views)

Periodic Table of the Elements Review

Periodic Table of the Elements Review

Periodic Table of the Elements Review. TESLA August 2008. Workshop goals. What is matter? What is the atom? And what does it have to do with matter? How is the periodic table of elements organized?. Big Idea.

By tassos
(115 views)

Key Terms Chapter 7

Key Terms Chapter 7

Key Terms Chapter 7. Mia Carlos Period 1. Electromagnetic Radiation. Definition: radiant energy that exhibits wavelike behavior and travels through space at the speed of light in a vacuum. Wavelength. Definition:The distance between two consecutive peaks or troughs in a wave. Frequency.

By mahina
(91 views)

CHEMICAL BONDING

CHEMICAL BONDING

CHEMICAL BONDING. Bonding and Energy. Energy is important to making and breaking bonds Building Chemical Bonds can either absorb energy or release energy Exothermic Reactions – Produce energy as light, heat, sound, bubbles, precipitates Mitten warmers, cellular respiration, all combustion

By elvina
(123 views)

Chapter 2

Chapter 2

Chapter 2. 0. Essential Chemistry for Biology. Matter: Elements and Compounds. Matter is anything that occupies space and has mass. Matter is found on the Earth in three physical states: Solid Liquid Gas Matter is composed of chemical elements.

By iolana
(125 views)

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