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13 Cards in this Set

  • Front
  • Back
How are elements identified?
By the number of protrons found in the nucleaus of its atom.
Why are elements called pure substances?
Because its only made of one kind of atom.
Are all atoms the same?
No.
What is a chemical symbol?
A single letter, or two or three, letter combinations.
What are nonmetals?
Elements that are usually brittle, are poor conductors of heat and electricity!
What are metaloids?
Elements that have some properties of both, metal and non-metal.
What are most things made of?
More than one kind of Atom.
How many natural elements are there?
100.
What is water made of?
Oxygen atoms, and hydrogen atoms.
Whats the electrical charge of every element?
They have the same number or protrons, and electrons.
What is metal?
An element that is usually hard, good conductor of heat and electricity, and are capable of being drawn into wires and hammered into sheets.
What is the symbol for gold?
Au-A Latin name Aurom.
What are elements?
Some kind of matter, made of one atom.