Mixture, Compounds And Atoms

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Mixture, Compounds And Atoms
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1.  Compounds can be separated by:
A.
B.
2.  Most atoms form bonds using only the electrons in their ____ energy level.
A.
B.
3.  What is Filtration?
A.
B.
C.
4.  The second energy level can hold up to ____ electrons.
A.
B.
C.
5.  A pure substance made up of two or more elements chemically combined in a fixed proportion can be sub-divided by chemical means only is a
A.
B.
6.  What is paper chromotography?
7.  Which of the following is a pure substance made up of one type of atoms?
A.
B.
C.
8.  This is the solid remaining in filter paper after filtration.
9.  A positive ion is a:
10.  Which bond exchanges electrons?
A.
B.
11. 
Atoms are composed of :
A.
B.
C.
12.  Atoms ____ to have a filled outermost energy level
A.
B.
13.  This is the liquid which passes through filter paper during filtration.
A.
B.
14.  What is Distillation?
A.
B.
C.
15.  Mixtures can be separated by:
16.  Which of the following particle has no charge?
A.
B.
C.
17.  Which particle orbits the nucleus?
A.
B.
C.
18.  An impure substance made up of two or more elements or compounds both mechanically mixed into any proportion and can be further sub-divided by physical means is a
A.
B.
19.  Which of the following describes what happens when an atom becomes an ion with a 2– charge?
A.
B.
C.
20.  This type of mixture has the same composition through out.
A.
B.
21.  A negative ion is a:
A.
B.
22.  Atoms bond by ____ electrons.
A.
B.
C.
D.
23.  What is Evaporation?
24.  This type of mixture has a composition that is not uniform.
A.
B.
25.  Which of the following particle has a positive charge?
A.
B.
C.
26.  Separating funnel 
A.
B.
C.
27.  The first energy level is closest to the nucleus and can hold up to ____ electrons.
A.
B.
C.
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