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element

            What is an element: Simple substances that can not be broken down into simpler substances.
             What is an atom: smallest part of an element that can be identified as an element. .
             How do you right a chemical symbol: If it is one letter capitalize it, if there are two letters capitalize the first letter but not the second.
             Malleable- metals that can be hammered into thin sheets like aluminum foil. .
             Ductile- metals that can be drawn into wire.
             Luster- shine.
             Brittle-breaks easily.
             Who stated the atomic theory of matter: Dalton.
             What are the main physical properties of metals and non metals: Metals tend to give up electrons when they bond but Non metals tend to gain or share electrons when they bond.
             What are valence electrons: The electrons on the last energy level of an atom, which are used in chemical bonds.
             Ion- a non-neutral atom.
             Isotopes- Atom of an element with the same number of protons but a different number of neutrons.
             What is the mass of protons and neutrons and electrons: Protons & Neutrons = 1 AMU / electrons = 1/1836 AMU.
             What does the atomic number tell you: Number of Protons in the nucleus of an atom.
             What happens to an electron if it looses or gains energy: As it looses energy it will drop to an energy level closer to the nucleus but as it gains energy it will move to an energy level away from the nucleus.
             How do you figure out the atomic mass: .
             Do isotopes have different atomic masses or atomic numbers: atomic mass.
             1st energy level holds 2 electrons 2nd holds 8.
             Mass number - atomic number = number of neutrons.
            


Essays Related to element

1. The Life and Death of Mrs. Mallard's Life: The Five Element

... idea of a woman not being owned by a man in the time period this story takes place is revolutionary. The time and her being alone dictate the importance of every other element of the short story. The revolutionary idea behind writing a short story in the setting of the early 1900's and the spring season was the theme of freedom and new life ... follow her own thoughts. As she realizes that she is happier without her Mr. Mallard her emotions change from grief to happiness and excitement. Her change of character makes the element critical to the story, but setting and theme have a much la...

  • Word Count: 1256
  • Approx Pages: 5
  • Has Bibliography
  • Grade Level: High School

2. Chemical Element - Zinc

... Zinc (Zn) which is an active element. Zinc today is very useful, its used for many things like stopping iron from rusting; its also good for the human body, it helps us grow but it also gives ... ...

  • Word Count: 605
  • Approx Pages: 2
  • Has Bibliography
  • Grade Level: High School

3. Scientific Element Sodium

Sodium is very important as it is needed to make most compounds. Sodium Is a soft, silvery-white metal that is highly reactive. It is also the sixth most abundant element in the earth's crust. If sodium is set aflame it burns in air with a brilliant yellow flame. Sodium has an Atomic Number of 11. It also has an Atomic Mass ... in animal nutrition. Sodium is also necessary in many other forms such as soda ash, baking soda, and chili saltpeter which is sodium nitrate. In conclusion, Sodium is a very important element. ...

  • Word Count: 278
  • Approx Pages: 1
  • Grade Level: High School

4. Culture is the Element Which Shapes Us

... mission and value statements of the department and request feedback from the employees to develop a patient-centric atmosphere in order to manage a positive workplace culture because "culture is the element that shapes us" to become the individuals we are in today's society. Technology In today's technology driven world, people are expected to have the means to communicate with others ... ...

  • Word Count: 1062
  • Approx Pages: 4
  • Has Bibliography

5. The Imagination: An Essential Element In The Success Of An Individual

... . Although Whitehead and Freud both make use of the term imagination in their papers, they demonstrate imagination in two dissimilar means. Both Whitehead and Freud proclaim the imagination as a vital element for an individual to make use of appropriately in order to prosper in the course of life, but for different motives. Whitehead declares that the sole purpose of a university encompasses ... ...

  • Word Count: 751
  • Approx Pages: 3
  • Has Bibliography
  • Grade Level: Undergraduate

6. Element of Time in Macbeth

The element of time plays a pivotal role in nearly every great story. There are countless possibilities of the form time can take in a writing, television and movies. Whichever film you watch and ... ...

  • Word Count: 905
  • Approx Pages: 4
  • Grade Level: High School

7. Community in Ibsen-the defining element in an Individividual

... find community personified to play a vital role. A role very much like the Greek gods used to play in the plays like Oedipus and that is how community becomes the defining element in an individual's life. In these plays we find community acting more or less like an umbrella, engulfing everything under it. It creates an environment, a shadow. What community does is ... ...

  • Word Count: 1368
  • Approx Pages: 5
  • Grade Level: High School

8. The Happiness Advantage

... we do not always motivate ourselves to be happy, yet we are motivated by incentives such as money. Also, Sir Ken Robinson, author of The Element shows us how incredibly important it is to find what our passion and follow it. The passages from the novels included, all easily relate back to The ... they are at their physical and mental height leading to success in work and home. In the same fashion, in The Element by Sir Ken Robinson, he encourages us to "find our element." This is truly where this novel, Drive, The Price of Privilege and The Happiness Advantage all come together full ......

  • Word Count: 1306
  • Approx Pages: 5
  • Grade Level: High School

9. Basic Chemistry

... Mendeleev's arrangement by atomic mass) they would line up perfectly. The modern periodic table contains a host of information concerning the elements within. Each element has a block stating its name, symbol, atomic mass, electron structure and atomic number. Elements in vertical rows are grouped into families of similar elements ... chemical properties. These families are grouped on the periodic table according to horizontal rows with preceding roman numerals. The first family contains only one element, hydrogen. Because hydrogen, the simplest atom has only one atom, it can act like bo...

  • Word Count: 3855
  • Approx Pages: 15

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