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Atoms, Elements, and The Periodic Table
Transcript of Atoms, Elements, and The Periodic Table
Why are atoms, elements, and the periodic table important?
Are the building blocks of matter
The center of an atom is the nucleus that contains neutrons and protons.
Protons are positively charged particles (P+) and neutrons are particles that have no charge.
Electrons are negatively charged particles that are located outside the nucleus.
The basic structure of an atom is the result of the attraction between protons and electrons.
Atoms contain an equal number of protons and electrons. So the overall charge of an atom is zero.
An element is a pure substance that can not be broken down into other substances by physical or chemical means.
Elements are made of only one type of atom.
The six most important elements are carbon, hydrogen, nitrogen, oxygen and phosphorus.
The Periodic Table
The periodic table is organized into horizontal rows, called periods, and vertical columns called groups.
Tells you the elements names, atomic number, symbol, atomic mass, and state of matter of an element.
This table is color coded to see if the element is a metal, metalloid, nonmetal, or recently discovered
Atoms are important because without atoms most of the objects around us would not exist . Atoms make up matter, and anything that has mass is matter. The only things that are not made of matter is energy such as electricity or light.
Elements are important because certain elements are vital to life such as carbon, hydrogen, nitrogen, oxygen, and phosphorus. Hydrogen is part of the formula for water and other molecules like DNA. Nitrogen is part of ammonia, aid in homeostasis, and helps create amino acids and proteins. Oxygen is part of the formula for water and we also need oxygen to breathe. Phosphorus aids in energy transfer and DNA.
The Periodic Table
Without the periodic table everybody would have to remember the name, symbol, atomic number, atomic mass, and state of matter of the element. Also you would have to know if the element is a metal, nonmetal, or metalloid.
"Atoms, Elemets, and Compounds." Glencoe Science Biology. Ed. The Mcgraw- Hill Companies Inc. N.p.: Mcgraw- Hill Companies, n.d. 1-1205. Print.
What is an atom?
Which six elements are vital to life?
What are six things the periodic table can tell you about an element?
1. An atom is the basic building blocks of matter.
2. Carbon, Hydrogen, Nitrogen, Oxygen, and Phosphorus.
3.Name, Symbol, Atomic Number, Atomic Mass, State of Matter, Element Classification.
4. An element is a pure substance that can not be broken down into other substances by physical or chemical means
By: William, Ethan, Isma, Cheyenne, and Ashton
What are atoms, elements, and the periodic table, and why are they so important?