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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
silicone
C
oxygen
D
carbon
2) The most abundant element in Earth's continental crust (by weight) is
A
oxygen
B
silicone
C
calcium
D
iron
3) The central region of an atom is called the
A
nucleus
B
nuetron
C
electron
D
proton
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
14
D
8
6) When two or more elements bond together in definite proportions, they form a
A
ion
B
atom
C
compound
D
nucleus
7) The main types of chemical bonds we studied are
A
ionic, covalent, nonmetallic
B
ionic, covalent, metallic
C
isotopic, covalent, metallic
D
ionic, compound, metallic
8) What type of chemical bond forms between positive and negative ions?
A
ionic
B
covalent
C
isotopic
D
metallic
9) Compounds with high melting points have
A
metallic bonds
B
covalent bonds
C
ionic bonds
D
no chemical bonds
10) Which of the following is not a characteristic of minerals?
A
either liquid or solid
B
formed by inorganic processes
C
crystalline structure
D
definite chemical composition
*select an answer for all questions
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