WorksheetsA-Level Chemistry Transition Lesson: Chemical Terminology and Formulas Quiz
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the definition of a molecule?
a)
Any collection of atoms
b)
Atoms chemically bonded together through covalent bonds
c)
A single atom in isolation
d)
Ionic compounds
2.
What is the difference between molecular formula and empirical formula?
a)
They are exactly the same
b)
Molecular formula shows actual number of atoms, empirical formula shows simplest whole number ratio
c)
Empirical formula is always larger
d)
Molecular formula only applies to organic compounds
3.
In the periodic table, which group of elements will form +1 ions?
a)
Group 2
b)
Group 7
c)
Group 1
d)
Group 6
4.
What charge will elements in Group 6 typically form?
a)
+1
b)
-1
c)
+2
d)
-2
5.
What is the charge of a sulfate ion?
a)
+2
b)
-2
c)
+1
d)
-1
6.
How many electrons will an aluminium atom typically lose when forming an ion?
a)
1
b)
2
c)
3
d)
4
7.
What is the chemical formula for magnesium chloride?
a)
MgCl
b)
MgCl2
c)
Mg2Cl
d)
MgCl3
8.
Which of these ions was NOT mentioned in the video as one of the nine key ions to know?
a)
Hydroxide
b)
Carbonate
c)
Phosphate
d)
Chloride
9.
What does the term 'particle' represent in chemistry?
a)
A specific type of atom
b)
A precise scientific measurement
c)
A very vague term that can refer to atoms, molecules, ions, or electrons
d)
A type of chemical bond
10.
What charge will silver ions typically have?
a)
+1
b)
-1
c)
+2
d)
0
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