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Formato Prueba Parcial / Final
Nombre de la prueba
Asignatura
Nombre del
Estudiante
Grado
Docente
V2.0
FINAL EXAM
Chemistry
Periodo
6th A/B
Calificación
Alejandra García Isaza
3rd
Corrección
Fecha
Indicadores
1. Cumple las normas y sigue las instrucciones, velando por su bienestar y el de otros.
2. Diseña experimentos realizables en el laboratorio para demostrar las diferencias entre propiedades físicas y
químicas de compuestos de uso cotidiano.
3. Relaciona las leyes de conservación de masa y energía con los postulados de las teorías atómicas para explicar
los cambios físicos y químicos de la materia.
1. Name the parts of the atom (1.0)
a) ________________________
b) ________________________
c) ________________________
d) ________________________
2. Fill in the blanks with the words in the word bank (1.0)
compound
nucleus
atom
molecules of elements
neutrons
element
compounds
electrons
protons
The ______________ is the smallest unit of matter. In the middle of the atom is a ________________ made
of _____________ and ____________________. Outside the nucleus are _______________ that move
around it. Atoms can combine and form ______________________ and _____________________. An
example of an ________________ is oxygen (O) and water (H2O) is a ________________ formed from one
atom of oxygen (O) and two atoms of hydrogen (H).
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3. Match the state of matter with the description of what happens to the molecules and its
corresponding diagram (1.0)
H2O Molecules in liquid water
Molecules are well separated
with no regular arrangement.
H2O Molecules in solid ice
Molecules are close together
with no regular arrangement.
H2O Molecules in water vapor
Molecules are tightly packed,
usually in a regular pattern
4. Answer true or false. If false, explain why (1.0)
a) In a chemical change, matter changes in size, shape, or state without changing identity. T____ F____
Why?
____________________________________________________________________________
b) An example of a physical change includes mixing vinegar and oil together. T____ F_____
Why?
____________________________________________________________________________
c) A chemical change can be reversed. T______ F______
Why?
____________________________________________________________________________
d) A burnt toast is an example of a chemical change. T_______ F_______
Why?
____________________________________________________________________________
e) In a chemical reaction you mix two or more products in order to get a reactant. T_____ F_____
Why?
____________________________________________________________________________
5. When a beaker of water is heated its volume increase a little.
What is happening to the molecules in the liquid? (1.0)
a)
b)
c)
d)
Beaker
They are getting smaller
They are getting bigger
They are moving faster
They are moving slower
Retroalimentación de la prueba
(Fortalezas/Aspectos a mejorar)
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