Review Organic Chemistry

1. A cyclic ketone which hasn't got branches and has a Pm=84g/mol contains  71.4% C and 9,5%H. Tell its empiric and its mollecular fórmula. Draw its geometric fórmula. 
2. A compound burns energically, boils at 60°C and solves into water. It doesn't carry electricity. Can it be organic?
3. Name:

1. Write the formula of 

• 2 ethyl 2 propen-al
• 2 propyl 3 chloro butanoic acid
• 3 flúoro 2 cyclopentenone 

3ESO Structure of Matter.

1. For the Species   
   
    indicate the number of electrons,
   
   neutron, protons.
2. We have 3 different atoms: a)Z=2; b)Z=7; c)Z=11. Write their electrónic configuration, period, Group, aggregation state, stable ions, stoichiometry of the compound b-c
3. Tell which type of radioactive emmission: a)is formed by electrons b)is most penetrating c)is formed by heaviest particles

Properties of matter 2ESO

Watch this video about matter and answer in (formulario the contacto" to  these questions:

• Where can do we find matter?
• What do we understand about matter?
• What do we understand as propoerties?
• What properties do all matter have?
• Tell examples of properties we can use to different from one substance to another