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Chapter 25 The Periodic Table Junior Cert Flashcards | StudBud
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Chapter 25 The Periodic Table Junior Cert
Chapter 25 The Periodic Table Junior Cert
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Junior Cert The Periodic Table Chemical symbols Chapter 25 Junior Cert
Flashcards
26 cards
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Practice quiz
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Questions
26
Answers
1
What is the atomic number?
Number of protons
Number of neutrons
Number of electrons
2
What is group I known as?
The noble gases
The Halogens
The alkali metals
The alkaline earth metals
3
How many shells are in this atom?
16
2
8
0
4
Oxygen is in group 6, how many electrons does it need to give/take to get a full outer shell?
2
4
6
0
5
What is the mass number of Carbon?
12.0107
6
6
Which group contains the gases Helium, Neon and Argon?
Group 8
Group 7
Group 1
Group 2
7
Which of the following is Iron?
I
Fe
F
He
8
Which of the following elements is a transition element?
Helium
Lithium
Oxygen
Lead
9
Na Electron configuration: 2, 8, 1 How many shells has sodium?
8
3
11
1
10
Which scientist came up with the following type of diagram?
Neil de Grasse Tyson
Albert Einstein
Stephen Hawking
Neils Bohr
11
How many atoms of lithium are needed to combine with one atom of chlorine?
2
0
1
3
12
NaF, name this compound
Sodium Flouride
Lithium flouride
Nitrogen flouride
Sodium Phospide
13
Who is this? He is credited with making the Periodic table of elements
Dmitri Mendeleev
Charles Darwin
Albert Einstein
Stephen Hawking
14
What chemical are you looking at?
Water
Carbon monoxide
Methane
Carbon dioxide
15
How many electrons are in the n=1 orbit?
2
8
16
H is Helium
False
True
17
Which element is in period 3, group 2?
Aluminium
Carbon
Magnesium
Calcium
18
Which sub atomic particle whizzes around the nucleus in shells/orbits?
proton
neutron
electron
19
What are you looking at?
Crossword
Log tables
Scientific glossary
Periodic table of elements
20
If the element is in period 3, it has...
3 shells or orbits
3 electrons in the outermost shell
21
Neon is highly reactive...
True
False
22
Which group is known as the halogens?
Group 1
Group 7
Group 2
Group 8
23
When atoms lose electrons, they become an ion, what charge have they?
positive
neutral
negative
24
There is only one element in the Periodic table which has no neutron in its nucleus. Name the element.
Oxygen
Carbon
Hydrogen
Nitrogen
25
What is the first element on the periodic table?
Hydrogen
Lithium
Berylium
Helium
26
What is the core of an atom called?
The Neutron
The Proton
The Nucleus
The Shell
