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Chapter 2, 1 Of 4
Test Description: Ch 2
Instructions: Answer all questions to get your test result.
1) Which of the following is not one of the eight most common elements in Earth's continental crust?
A
aluminum
B
carbon
C
silicone
D
oxygen
2) The most abundant element in Earth's continental crust (by weight) is
A
silicone
B
oxygen
C
calcium
D
iron
3) The central region of an atom is called the
A
proton
B
electron
C
nuetron
D
nucleus
4) What are the builiding blocks of minerals?
A
isotopes
B
rocks
C
elements
D
electrons
5) If the atomic number of an element is 6 and its mass number is 14, how many nuetrons are contained in the ucleus?
A
6
B
20
C
8
D
14
6) When two or more elements bond together in definite proportions, they form a
A
atom
B
compound
C
ion
D
nucleus
7) The main types of chemical bonds we studied are
A
ionic, compound, metallic
B
ionic, covalent, metallic
C
ionic, covalent, nonmetallic
D
isotopic, covalent, metallic
8) What type of chemical bond forms between positive and negative ions?
A
isotopic
B
covalent
C
ionic
D
metallic
9) Compounds with high melting points have
A
metallic bonds
B
no chemical bonds
C
covalent bonds
D
ionic bonds
10) Which of the following is not a characteristic of minerals?
A
crystalline structure
B
definite chemical composition
C
either liquid or solid
D
formed by inorganic processes
*select an answer for all questions
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