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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
oxygen
C
silicone
D
carbon
2) The most abundant element in Earth's continental crust (by weight) is
A
iron
B
calcium
C
silicone
D
oxygen
3) The central region of an atom is called the
A
electron
B
proton
C
nucleus
D
nuetron
4) What are the builiding blocks of minerals?
A
elements
B
isotopes
C
rocks
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
14
B
20
C
6
D
8
6) When two or more elements bond together in definite proportions, they form a
A
nucleus
B
compound
C
atom
D
ion
7) The main types of chemical bonds we studied are
A
ionic, covalent, nonmetallic
B
ionic, covalent, metallic
C
ionic, compound, metallic
D
isotopic, covalent, metallic
8) What type of chemical bond forms between positive and negative ions?
A
ionic
B
covalent
C
metallic
D
isotopic
9) Compounds with high melting points have
A
metallic bonds
B
ionic bonds
C
covalent bonds
D
no chemical bonds
10) Which of the following is not a characteristic of minerals?
A
definite chemical composition
B
crystalline structure
C
either liquid or solid
D
formed by inorganic processes
*select an answer for all questions
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