4229420
Description
Mind Map by jessica0553, updated more than 1 year ago
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Created by jessica0553
over 8 years ago
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Chemistry 1 - A
- Atoms
- ATOMS are small units
of matter that can
take place in chemical
reactions
- Atoms have the same
number of electrons as
protons
- Proton = Electron
- They have no overall
charge so are NEUTRAL
- If electrons are added or
removed, the atom becomes
CHARGED and is then an ION
- If electrons are added or
removed, the atom becomes
CHARGED and is then an ION
- They have no overall
charge so are NEUTRAL
- Proton = Electron
- Two or more atoms make a
MOLECULE
- ATOMS are small units
of matter that can
take place in chemical
reactions
- Element
- An ELEMENT is a
substance made up
of just one type of
atom
- When an element reacts
with another element, a
COMPOUND is formed
- Element + Element = Compound
- COVALENT BOND
- IONIC BOND
- METALLIC BOND
- COVALENT BOND
- If two or more elements
are not joined together,
this is called a MIXTURE
- Element + Element = Compound
- Each element has
atoms with different
amount of protons
- An ELEMENT is a
substance made up
of just one type of
atom
- Structure of the atom
- The middle of
the atom is called
the NUCLEUS
- In the nucleus there are
PROTONS and NEUTRONS
- PROTONS are positively
charged
- NEUTRONS have no
charge
- SO the nucleus has an overall
positive charge
- PROTONS are positively
charged
- In the nucleus there are
PROTONS and NEUTRONS
- The ELECTRONS move around
the nucleus
- ELECTRONS are negatively charged
- They occupy shells
around the nucleus
- ELECTRONS are negatively charged
- The middle of
the atom is called
the NUCLEUS
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