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CSCP402 Electron Structure, Periodic Table, Ionic Bonding Flashcards | StudBud
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CSCP402 Electron Structure, Periodic Table, Ionic Bonding
CSCP402 Electron Structure, Periodic Table, Ionic Bonding
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1
Which sub-atomic particles are involved in chemical reactions?
protons
neutrons
all the electrons
valence electrons
2
What is the maximum number of electrons in the first shell of an atom?
4
6
8
2
3
Choose the correct formula for potassium sulphate
K2SO4
K2(SO)4
KSO2
K(SO4)
4
State the charge of a sodium ion
+1
-1
+2
-2
5
What can you tell about an element from its Group on the Periodic Table?
whether it is likely to form an anion or a cation
the number of electrons in its valence shell
which other elements have similar properties
all of the above
6
How many valence electrons does an atom of carbon have?
6
4
8
2
7
What type of bonding involves gaining or losing electrons?
metallic bonding
covalent bonding
ionic bonding
8
In which Group are the elements with a full valence shell?
Group 6
Group 4
Group 8
Group 2
9
What do the rows (periods) in the Periodic Table tell you about an element?
how many valence electrons the atoms have
what type of ion the atoms might form
whether it is a metal or a non-metal
how many electron shells the atoms have
10
What does the mass number of an atom tell us?
the number of protons + neutrons
the number of protons + electrons
The number of neutrons
the number of protons
11
Which sub-atomic particles have a positive charge?
quarks
neutrons
protons
electrons
12
State the charge of a magnesium ion
-1
+2
-2
+1
13
State the charge on an oxygen ion (oxide)
-1
+1
+2
-2
14
Choose the correct ionic formula for aluminium hydroxide
Al(OH)3
Al(OH)2
AlOH
AlOH3
