'When solid' presentation slideshows

Chemical Bonds

Chemical Bonds. Chemical Bond. The interaction b/ atoms/ions that results in a decrease in potential energy of the system which hence becomes stable. Electron -dot (Lewis) s ymbols. Valence electrons are shown as dots around the symbols of the atoms .

1.09k views • 95 slides

Gravity, Friction and Simple Machines

636 views • 52 slides

Stoichiometry

Stoichiometry. AP Chemistry Ms. Henry. Percent abundance. Depends on sample %abund= # of atoms of isotope x 100 Total # atoms all isotopes. Exercise 3.1 The Average Mass of an Element

872 views • 44 slides

Chapter 8 Chemical Reactions

Chapter 8 Chemical Reactions. Evidence of Chemical Change. Evidence of Chemical Change Color change Formation of a solid Formation of a gas Absorption or release of heat energy Emission of light energy. Evidence of Chemical Change. Color change. Formation of a solid.

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Chapter 3: Stoichiometry

Chapter 3: Stoichiometry. Stoichiometry - The study of quantities of materials consumed and produced in chemical reactions. In order to understand stoichiometry, we must first understand atomic masses. Atomic Masses. Elements occur in nature as mixtures of isotopes Carbon = 98.89% 12 C

582 views • 37 slides

Kinetic Energy, Temperature, Phase Changes

Kinetic Energy, Temperature, Phase Changes. Chapter 13 Concepts. Kinetic Energy. particles have a wide range of K.E. use the average kinetic energy of all particles substances in different states of matter can have the same average K.E. table salt, water, helium at room temperature

494 views • 26 slides

Chapter 10-Volcanoes and Other Igneous Activity

Chapter 10-Volcanoes and Other Igneous Activity. Video. http://www.youtube.com/watch?v=OowFvnlWI90 http://www.youtube.com/watch?v=1mzqG9L2kiM&NR=1&feature=fvwp What makes this happen?!. Origin of Magma. When solid rock, located in the crust and upper mantle , partially melts Role of Heat:

664 views • 26 slides

Newborn Sensory Abilities

Newborn Sensory Abilities. 1. Touch. Newborns thrive on being held and cuddled. The area of the brain responsible for touch perceptions, the primary sensory cortex, can process sensations by the fourth month of prenatal development. Skin nerves appear in week 10.

800 views • 24 slides

Quantum Physics

Quantum Physics. What makes one atom different from another?. The amazing colors produced in fireworks are a result of the different types of atoms that are used. The colors depend on the chemical characteristics of the elements used to make them.

335 views • 20 slides

Zainab Bt. Ariffin (90286)

CHANGES IN THE STATE OF MATTER. Presented by:. Zainab Bt. Ariffin (90286). MATTER. Matter is anything that occupies space and has mass. Matter is made up of tiny and discrete particles. These particles are: Atom. Molecule. Ion. Matter exist in 3 states :-. Liquid.

379 views • 20 slides

Monday January 7, 2013

Monday January 7, 2013. (Introduction to Chemical Reactions and Equations). Bell Ringer Monday, 1-7-13. What two possibilities may occur when two different chemical substances are placed into the same container?.

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Physical and Chemical Properties

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Elements

Elements. An element is either classified as a metal, nonmetal or metalloid. The classification depends on the elements location on the periodic table. Metals are in pink. Nonmetals are in lime green . Metalloids are in white . B. Si. As. Ge. Sb. Te. Po. At.

302 views • 15 slides

Smart Materials

Smart Materials. A smart material can be described as a material that has a useful response to external influences or stimuli. There are many examples of smart materials in everyday use that are not modern developments they include; Metal springs

1.25k views • 11 slides

Core Concepts of Technologies

Core Concepts of Technologies. Review of the core technologies and practice identifying examples. Materials Technology Terms. Metal: any of a class of elementary substances which are crystalline when solid Alloys: a substance composed of two or more metals, or of metals with a nonmetal

451 views • 11 slides

Friction

When two surfaces rub together, the irregularities of one surface. Friction. The force that one surface exerts on another. Friction acts in a direction. Friction. Without friction, the object would continue to move at. The strength of the force of friction depends on two factors:.

265 views • 8 slides

Sub<23 nm Particles Key Messages

Transmitted by the PMP Chair. Informal document GRPE-68-21 ( 68 th GRPE, 7-10 January 2014, agenda item 7 ). Sub<23 nm Particles Key Messages. Document discussed in the PMP meeting 08 Jan 2014. Overview. Particles < 23nm are partially measured today

193 views • 7 slides