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WorksheetsTopic 1 Video 1 Application
Total questions: 30
Worksheet time: 1hrs 3mins
How many atoms of sulfur are in each molecule of H2SO4?
1
4
2
7
How many atoms of carbon are in a molecule of vinyl chloride (C2H3Cl)?
1
3
6
2
How many atoms of hydrogen are in a molecule of glucose (C6H12O6)?
12
6
18
4
Which of the following accurately describes the chemical formula of the molecule shown above?
3CH8O
C3H7O
C4H8O2
C3H8O
Which of the following molecules has the formula CH2O?
Which elements are in the formula shown above?
Tin and Chlorine
Tin, Carbon and Lithium
Sulfur, Nitrogen and Chlorine
Sulfur, Nitrogen, Carbon and Lithium
Which elements are in the formula shown above?
Cobalt only
Carbon and Oxygen
Copper only
Carbon and Osmium
How many different elements are in an amino acid with the formula C5H11NO2S?
5
20
18
4
Which of the following chemical formulas contains exactly 4 hydrogen atoms?
CH3COONa
NH4OH
CH3CH2Cl
CH3CHO
How is an atom and ion different?
An atom has a charge and an ion has no charge.
An atom has no charge and an ion has a charge.
What charge will result if an ion loses electrons?
positive
negative
neutral
What charge results of an ion gains electrons
positive
neutral
negative
What charge will result if an ion gains 3 electrons?
+3
+1
-3
-2
How many electrons are in in an Rb+1 ion?
36
37
39
40
Compared to a bromine atom, the bromine ion Br2- has
more protons
fewer protons
more electrons
fewer electrons
When rubidium forms an ion, what charge will it have?
+1
-1
+2
-2
How many electrons are in an atom of Rb?
37
36
38
40
How many electrons are in an S-2 ion?
18
16
20
22
When sulfur forms an ion what charge will it have?
-2
+2
-8
-3
How many electrons are in an atom of S?
16
17
15
18
What is the atomic number of vanadium?
19
21
23
25
