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Chemistry - Periodic Table Flashcards | StudBud
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Chemistry - Periodic Table
Chemistry - Periodic Table
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#Chemistry, #Periodic Table
Flashcards
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Questions
16
Answers
1
What is the similarity in atomic structure between all the halogens?
They all have the same number of electrons
They all have the same number of protons.
They all have 7 electrons in their outer shell.
They all have 1 electron in their outer shell.
2
Chlorine, Fluorine, Bromine and Iodine are all examples of what?
Halogens
Transisional Metals
Noble Gases
Alkaline Metals
3
Estimate the boiling point of Astatine.
1500C
337oC
70oC
184oC
4
Which of these is a property of noble gases?
They can conduct electricty
They are very unreactive
They are all solids
They are very reactive
5
What happens to the melting point of halogens as you go down the periodic table?
It stays the same
It decreases
It increases
It changes randomly
6
What part of an atom has a negative charge?
Proton
Electron
Neutron
7
What is the similarity in atomic structure between all the noble gases?
They all have the same number of electrons.
They all have 4 electrons in their outer shells.
They all have 8 electrons in their outer shell.
They are have a full outer shell of electrons
8
What is the similarity in atomic structure between all the group 1 alkali metals.
They all have the same number of neutrons.
They all have the same number of protons.
They all have 1 electron in their outer shell.
They all have the same number of electrons.
9
Which of these alkali metals is the most reactive?
Lithium
Sodium
Potassium
Rubidium
10
Who came up with the modern periodic table?
Mendel
Mendeleev
Newton
Darwin
11
Lithium, Potassium, and Rubidium are all examples of what?
Transitional Metals
Alkali Metals
Halogens
Noble Gases
12
How many elements have been discovered so far?
136
118
4
92
13
Which Halogen is the most reactive?
Chlorine
Iodine
Bromine
Flourine
14
What part of an atom is always the same if the atoms are the same element?
The Electron Number
The Proton Number
The Mass Number
The Neutron Number
15
What part of the atoms has a positive charge?
Neutron
Protons
Electron
16
Helium, Neon, Xenon and Krypton are examples of what?
Noble Gases
Alkali Metals
Transistional Metals
Halogens
