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Atomic structure and the periodic table Flashcards | StudBud
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Atomic structure and the periodic table
Atomic structure and the periodic table
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#Atoms #Periodictable #Protons #radioisotopes
Flashcards
29 cards
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Questions
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Answers
1
What are the three subatomic particles?
electron, proton, nucleus
Proton, Neutral and Electron
Atom, Nucleus, Electron
Proton, neutron and electron
2
Who is this?
Mark Zukerburg
Michael Clarke
Andrew Johns
Andy Murray
3
Neon has a stable outer shell
True
False
4
All elements have the have an equal number of protons and electrons?
True
False
5
Which of these elements are the most reactive?
Potassium
Calcium
Lithium
Beryllium
6
How many neutrons are in Potassium?
39
23
20
40
7
What was the score in Cronulla v Goldcoast on Monday?
18-18
19-20
19-19
18-19
8
What is the valency of Sulfur?
9
4
6
5
9
Sodium, Magnesium and copper are all what?
Gases
Non-metals
Metals
Heavy elements
10
What is the charge of an electron?
Negative
Positive
11
What is this called?
Carbon 14
Carbon 13
Carbon
Carbon 6
12
Which of these elements are in group 5?
Magnesium
Boron
Phosphorus
Potassium
13
How many electrons does Nitrogen have?
6
7
9
14
14
How many neutrons in Aluminium?
12
16
14
13
15
What element does this chemical symbol represent?
Gold
Silver
Lead
Mercury
16
What is the valency of Neon?
7
8
0
4
17
Which of these elements in not in period 3?
Chlorine
Neon
Sillicon
Phosphorus
18
What is the 12th element?
Magnesium
Nitrogen
Lithium
Sodium
19
What are the rows in the periodic table called?
Periods
Rows
Groups
Elements
20
What does the atomic number represent?
Number of protons + Electrons
Number of Protons or Electrons
Neutrons + Electrons
Electrons only
21
Who is this?
Cameron McEvoy
James Magnussen
Michael Klim
Ian Thorpe
22
What element is this?
Helium
Potassium
Boron
Magnesium
23
What does the mass number represent?
Protons or neutrons
Protons + Neutrons
Protons + electrons
Protons or electrons
24
Decay of nuclei in atoms releasing particles and energy is known as what?
Alpha
Radioactivity
Nuclear reactions
Beta
25
Fill the blank: Nitrogen, Sulfur, ______, Xenon
Bromine
Chlorine
Carbon
Iodine
26
How many electrons does oxygen have in its outer shell?
2
8
6
4
27
What is the smallest unit of an Element?
Atom
Proton
Electron
Neutron
28
Electrons in the outer shell are called what?
Outer electrons
Reactive electrons
Valence electrons
Shell electrons
29
What subatomic particles are found in the nucleus?
Electrons and neutrons
Protons and electrons
Protons and neutrons
Protons and atoms
