Mixture, Compounds And Atoms

22 Questions  I  By Cancerred
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 Mixture,Compounds And Atoms
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1.  Atoms are composed of :
A.
B.
C.
2.  Which bond exchanges electrons?
A.
B.
3.  Which particle orbits the nucleus?
A.
B.
C.
4.  Which of the following particle has a positive charge?
A.
B.
C.
5.  Which of the following particle has no charge?
A.
B.
C.
6.  Most atoms form bonds using only the electrons in their ____ energy level.
A.
B.
7.  Which of the following describes what happens when an atom becomes an ion with a 2– charge?
A.
B.
C.
8.  The first energy level is closest to the nucleus and can hold up to ____ electrons.
A.
B.
C.
9.  The second energy level can hold up to ____ electrons.
A.
B.
C.
10.  Atoms ____ to have a filled outermost energy level
A.
B.
11.  Atoms bond by ____ electrons.
A.
B.
C.
D.
12.  Which of the following is a pure substance made up of one type of atoms?
A.
B.
C.
13.  What is Filtration?
A.
B.
C.
14.  What is Distillation?
A.
B.
C.
15.  Separating funnel 
A.
B.
C.
16.  Compounds can be separated by:
A.
B.
17.  A negative ion is a:
A.
B.
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.  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.
20.  This type of mixture has the same composition through out.
A.
B.
21.  This type of mixture has a composition that is not uniform.
A.
B.
22.  This is the liquid which passes through filter paper during filtration.
A.
B.
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