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Antimatter

Antimatter

Antimatter. Matter-Antimatter Propulsion Theory. What Antimatter is. Antimatter was predicted in 1929 (4) Antihydrogen produced in 1999 Antimatter is composed of the oppositely charged sub particles of most atoms Opposite of the electron is the positron (positive charge)

By Olivia
(651 views)

Radioactivity and Nuclear Energy

Radioactivity and Nuclear Energy

Radioactivity and Nuclear Energy. Chapter 19. Stable and unstable. Most atoms are stable Meaning they will not fall apart But all have unstable isotopes that will fall apart over time. Isotope- atoms with a different number of neutrons

By lukas
(76 views)

Periodic Properties

Periodic Properties

Periodic Properties. You learned how to write the electron configurations for ions. Just remember that the valence electrons get added to or removed first! So you always add to or remove from the highest principal energy level, or n value. Write the electron configuration for Cl - , Mn 2+.

By eros
(113 views)

Chapter 4: Carbon

Chapter 4: Carbon

Chapter 4: Carbon. Why study Carbon?. All of life is built on carbon Cells ~72% H 2 O ~25% carbon compounds carbohydrates lipids proteins nucleic acids ~3% salts Na, Cl , K…. Carbon: The Backbone of Life.

By wauna
(116 views)

Ionic bonding - writing formulas

Ionic bonding - writing formulas

Ionic bonding - writing formulas. Chem -To-Go Lesson 13 Unit 4. Quick overview. Most neutral atoms are unstable. In order to become stable, most atoms need achieve 8 valence electrons. Metals lose electrons to become stable. Many nonmetals gain electrons to become stable.

By trilby
(66 views)

Chapter 14: The Atom

Chapter 14: The Atom

Chapter 14: The Atom. The Big Idea: Atoms are the incredibly small building blocks of matter. An artist’s illustration of a scanning probe microscope over carbon atoms. How Do We Know That Matter Is Made of Tiny Particles?. The Elements. Atoms: make up all matter around us

By allan
(116 views)

Chemical Bonding

Chemical Bonding

Chemical Bonding. Chapter 22 Section 1. Vocabulary. chemical bonding: the combining of atoms to form molecules or ionic compounds chemical bond: an interaction that holds atoms or ions together

By holly
(135 views)

Magnetism

Magnetism

Magnetism. MAGNETISM. Click for more info. 1. magnet. any material that attracts iron. regions in a magnet where magnetic force is strongest (labeled N and S). 2. poles. 3. magnetic force. attractive or repulsive between the poles of magnets like poles repel o pposite poles attract.

By faunia
(185 views)

Chapter 5: Electricity Lesson 1:“ What Lights the Night?”

Chapter 5: Electricity Lesson 1:“ What Lights the Night?”

Chapter 5: Electricity Lesson 1:“ What Lights the Night?”. How do electric charges flow in a circuit? Pgs. 152-157 . Words to Know: conductor - a material through which an electric charge can move easily. i nsulator - a material through which an electric charge moves slowly.

By ailani
(90 views)

Isotope notes

Isotope notes

Isotope notes. Dalton was proved incorrect and his theory was modified. Protons define the element. Atoms that have the same number of protons are always atoms of a specific element . Example: Carbon. Neutrons can vary. BUT

By hogan
(147 views)

Alpha, Beta and Gamma Radiation

Alpha, Beta and Gamma Radiation

Alpha, Beta and Gamma Radiation. What is radiation? . Starter : why do scientists use symbols? Write down as many as can think of and what they mean. . Learning Outcomes. explain that there are three types of radioactive emissions: alpha, beta and gamma

By edolie
(257 views)

Let’s review

Let’s review

Let’s review. O 8 8 8 1s 2 2s 2 2p 4. Oxygen Symbol? Atomic Number? Protons? Electrons? Electron Distribution?. Oxygen has 6 valence electrons. Episode 502. Electron Dot Diagrams. Atom’s symbol surrounded by dots to represent its valence electrons. Example Oxygen

By dorjan
(129 views)

The Periodic Table of Elements

The Periodic Table of Elements

The Periodic Table of Elements. Element. A pure substance made up of one kind of atom that cannot be broken down into simpler substances by physical or chemical means 90 occur naturally on earth 25 were synthesized (made) by scientists. Element Song.

By phil
(94 views)

History of the Atom Timeline Project

History of the Atom Timeline Project

History of the Atom Timeline Project. By: Rachel Kohler. http://csep10.phys.utk.edu/astr162/lect/light/bohr.html. Democritus 460 BC.

By ilario
(836 views)


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