Flashcards
chemistry flash cards
Cards in this deck (19)
- 1WHAT IS AN ATOM?The smallest particle of a chemical element that can exist.
- 2WHAT IS AN ELECTRON?Electrons have a negative charge and exist on the outside of the outside of the nucleus, and are the smallest of the three main particles.
- 3WHAT ARE PROTONS?Protons are positively charged particles found in the centre of the nucleus.
- 4WHAT ARE NEUTRONS?Neutrons have a neutral charge and are found in the centre of the nucleus.
- 5WHAT IS THE NUCLEUS?The nucleus is the centre of an atom which contain both protons and neutrons.
- 6WHAT IS THE ATOMIC NUMBER?The atomic number is the number of protons and electrons in an atom. Found at the bottom left corner of an element on the periodic table.
- 7WHAT IS THE ATOMIC MASS NUMBER?The atomic mass number is the number of protons and neutrons. Also found at the top left corner of an element on the periodic table.
- 8WHAT IS AN ELEMENT?An element is each of more than 100 substances that are primary constituents of matter.
- 9WHAT IS A COMPOUND?A compound is a substance formed when two or more elements can be chemically bonded together.
- 10WHAT IS AN ION?An ion is an atom or molecule formed with a net electric charge due to the loss or gain of one or more electrons.
- 11WHAT IS A CATION?A positively charged ion.
- 12WHAT IS AN ANION?A negatively charged ion.
- 13WHAT IS A MONATOMIC ION?Ions made up of only one atom.
- 14WHAT IS A POLYATOMIC ION?Ions made up of many atoms.
- 15WHAT IS A CHEMICAL FORMULA?A set of chemical symbols showing the elements present in a compound and their relative portions.
- 16WHAT IS THE REACTANT?Are the components in a chemical equation that then create the product.
- 17WHAT IS THE PRODUCT?The product is the result of the reactants reaction together.
- 18WHAT IS A WORD EQUATION?A word equation is a symbolic representation of the changes which occur in a chemical equation.
- 19WHAT IS A CHEMICAL EQUATION?A chemical equation is the symbolic representation of a chemical reaction.
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- Flashcards on chemistry flash cards, created by anna hutterd on 01/05/2018.
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- anna hutterd
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