Chemistry 11 Chapter 1
Basic concepts
Test 14
1.
The unit used to express the relative atomic mass is?
a) Amu
b) Nm
c) Kg
d) Mg
2.
Relative atomic mass of hydrogen is?
a) 1.008 amu
b) 1.005 amu
c) 1.0002 amu
d) 1.00 amu
3.
Relative atomic mass of Cu is (amu)?
a) 15.994
b) 63.546
c) 20.1797
d) 35.453
4.
Relative atomic mass of oxygen is (amu)?
a) 20.1797
b) 15.994
c) 35.453
d) 63.546
5.
Relative atomic mass of Ne is (amu)?
a) 35.453
b) 20.1797
c) 63.546
d) 15.994
6.
Species carrying positive or negative charge are called?
a) Molecules
b) Atomos
c) Atoms
d) Ions
7.
Formation of an uni-negative is?
a) Exothermic process
b) Shearing process
c) None of these
d) Endothermic process
8.
Hemoglobin molecule is _________ times heavier than hydrogen atom?
a) 64,000
b) 68,000
c) 62,000
d) 66,000
9.
Relative atomic mass of Cl is (amu)?
a) 35.453
b) 20.1797
c) 15.994
d) 63.546
10.
Relative atomic mass of U is (amu)?
a) 63.546
b) 20.1797
c) 238.0289
d) 272.236
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