9567495
Descrição
Mapa Mental por Vernica Mehta, atualizado more than 1 year ago
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Criado por Vernica Mehta
mais de 7 anos atrás
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Chemistry
- Bonding
- Single, Double and
Triple Bonds
- Represent number of electrons taken or shared
- Represent number of electrons taken or shared
- Ionic, Metallic,
Covalent
- Covalent Bond --> "Share" Bond
- Ionic Bond --> "Give & Take"
Bond
- Metallic Bonding occurs between metals
- Covalent Bond --> "Share" Bond
- Elements need 8 valence
electrons to be stable
- Use bonding to achieve this
- Column number tells you
the number of electrons
on the last shell
- 4 electrons on
last shell
- 4 electrons on
last shell
- Use bonding to achieve this
- Ethylene (C2H4)
- Ethylene (C2H4)
- Single, Double and
Triple Bonds
- Chemical Equations
- Balancing chemical equations
- Check the differences on
both sides of the equation
- Make sure the correct
structure is used
- Make sure both
sides are equal
- Consider all elements
in compounds
- Check the differences on
both sides of the equation
- Types of chemical
equations
- Synthesis
- A + B -->
AB
- When two or more
chemicals combine to
form a product
- H2+ N2 --> NH3
- A + B -->
AB
- Decomposition
- AB --> A +
B
- HgO --> Hg + O2
- When a compound breaks
down into its elements or
simpler compounds
- AB --> A +
B
- Single Replacement
- AB + C --> AC + B
- HgO + Cl2 --> HgCl + O2
- When a single element
takes the place of an
element in a compound
- AB + C --> AC + B
- Double Replacement
- AB + CD --> AD + CB
- When an element in
two compounds swap to
create new compounds
- CuCl2 + H2S --> CuS +
HCl
- AB + CD --> AD + CB
- Synthesis
- Structuring chemical equations
- Reactants on LHS
- --> used to represent reaction
- Product on RHS
- Na + Br2 --> NaBr
- Reactants on LHS
- Balancing chemical equations
- Periodic Table of Elements
- Alkali Metals (Period 1)
- Highly reactive
- Explode in water
- Lose electrons easily
- Small size
- Highly reactive
- Alkaline Earth Metals (Period 2)
- Not as reactive
as Alkali Metals
- Not as reactive
as Alkali Metals
- Transition Metals (Periods 3-12)
- Some create colour
- Highly abundant
- Malleable
- Some can conduct electricity
- Some create colour
- Noble Gases
- Very stable
- Very stable
- Alkali Metals (Period 1)
- Chemical Reactions
- Physical Changes
- Can be reversed
- Atomic structure
remains the same
- Change in appearance
- Can be reversed
- Indications of reactions
- Smell
- Take in/Give off heat
- Release gas
- Form a solid precipitate
- Colour change
- Smell
- Chemical Changes
- Alters chemical composition
- Irreversible
- Alters chemical composition
- Physical Changes
Anexos de mídia
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