Chemistry 30s

The name of the scientist who discovered the electron is
A. Dalton
B. Rutherford
C. Goldstein
D. Millikan
E. Thomson

The name of the scientist who discovered the proton is
A. Rutherford
B. Thomson
C. Dalton
D. Millikan
E. Goldstein

The name of the scientist who discovered that the atom was mostly empty space is
A. Goldstein
B. Thomson
C. Dalton
D. Millikan
E. Rutherford

the symbol for atomic number is 
A. n
B. Z
C. A
D. p
E. A.N.

how many electrons can an orbital (probability cloud) hold
A. 6
B. 2
C. 3
D. 8
E. 1

the maximum number of electrons in the second energy level (n=2) is
A. 18
B. 2
C. 8
D. 10
E. 32

in the third energy level (n=3) the p sublevel has ___ orbitals
A. 16
B. 3
C. 2
D. 4
E. 9

the region in space around a nucleus in which an electron is most likely to be found is called a(n)
A. orbital
B. valence shell
C. electron shell
D. kernel
E. quantum shell

valence electrons are found in the 
A. d orbital
B. p orbital
C. s, p, and d orbitals
D. s orbital 
E. s and p orbital

the part of the atom that contains electrons that are not valence electrons is the
A. orbital
B. quantum shell
C. p sublevel
D. inner core
E. nucleus

which family on the periodic table has the characteristic property of having a full valence shell
A. halogens
B. alkaline earth metals
C. noble gases
D. alkali metals
E. transition metals

which of the following families needs only one valence electron to fill its valence shell
A. alkali metals
B. noble gases
C. halogens
D. alkaline earth metals
E. transition metals

which of the following is not a naturally occurring diatomic molecule
A. He2
B. H2
C. F2
D. Cl2
E. O2

on the periodic table a horizontal row is called a
A. period
B. trend
C. group 
D. family
E. column

all atoms in a period have
A. the same freezing point
B. the same boiling point
C. the same atomic mass
D. the same atomic number 
E. the same principal quantum number

which of the following statements about Alkali Metals is not true
A. alkali metals react with water
B. alkali metals react with oxygen 
C. alkali metals react with halogens
D. alkali metals have high boiling points
E. alkali metals have high freezing points

most of the elements on the periodic table are
A. non-metals
B. halogens
C. metals
D. noble gases
E. alkali metals

which type of reaction is characterized by the production of carbon dioxide and water
A. combustion
B. synthesis
C. double displacement
D. single displacement
E. decomposition

the type of chemical reaction in which elements in different compounds replace each other or exchange places is called
A. synthesis
B. decomposition
C. single displacement
D. combustion
E. double displacement

which of the following is a molecular compound
A. MgO
B. MgCl₂
C. LiF
D. CH₄
E. NaCl

when an acid reacts with a base the following products will form
A. hydrogen and salt
B. water and a salt
C. water and an acidic oxide 
D. carbon dioxide and a metallic oxide
E. oxygen and a metallic chloride

when an acid reacts with a metal the following products will form
A. water and a salt
B. carbon dioxide and a metallic oxide
C. water and an acidic oxide 
D. hydrogen and salt
E. oxygen and a metallic chloride

metallic chlorates decompose to form the following products
A. carbon dioxide and a metallic oxide
B. water and an acidic oxide 
C. oxygen and a metallic chloride
D. water and a salt
E. hydrogen and salt