Mixture, Compounds And Atoms

22 Questions  I  By Cancerred
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 Mixture,Compounds And Atoms
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1.  Most atoms form bonds using only the electrons in their ____ energy level.
A.
B.
2.  Which of the following is a pure substance made up of one type of atoms?
A.
B.
C.
3.  Atoms ____ to have a filled outermost energy level
A.
B.
4.  Compounds can be separated by:
A.
B.
5.  The first energy level is closest to the nucleus and can hold up to ____ electrons.
A.
B.
C.
6.  Which particle orbits the nucleus?
A.
B.
C.
7.  What is Distillation?
A.
B.
C.
8.  Which of the following particle has a positive charge?
A.
B.
C.
9.  Which bond exchanges electrons?
A.
B.
10.  This type of mixture has a composition that is not uniform.
A.
B.
11.  Atoms are composed of :
A.
B.
C.
12.  The second energy level can hold up to ____ electrons.
A.
B.
C.
13.  This is the liquid which passes through filter paper during filtration.
A.
B.
14.  Which of the following describes what happens when an atom becomes an ion with a 2– charge?
A.
B.
C.
15.  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.
16.  This type of mixture has the same composition through out.
A.
B.
17.  Which of the following particle has no charge?
A.
B.
C.
18.  Separating funnel 
A.
B.
C.
19.  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.
20.  Atoms bond by ____ electrons.
A.
B.
C.
D.
21.  What is Filtration?
A.
B.
C.
22.  A negative ion is a:
A.
B.
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