Chemistry Revision

There are 10 groups in the periodic table
True
False
What is the electron configuration of Potassium?
2,8,8
2,8,9
2,8,8,1
2,8,8,2
Where are Alkali Earth Metals?
Group 1
Group 2
In the middle section
Group 0
What is the most reactive element in the reactivity series?
Sodium
Potassium
Lithium
Carbon
What links the elements in a group in the periodic table?
Their reactivity
Their number of electron shells
Their chemical state
Their number of valence electrons
What does a period tell us?
The number of valence electrons in an element
The boiling point of an element
The number of electron shells an element has
The number of electrons an element has
What are noble gases?
Stable elements with 1 valence electron
Stable elements with a full outer shell of electrons
Unstable elements with a full inner shell of electrons
Compounds
What are the only two elements in the periodic table that are liquid at room temperature?
Mercury and Francium
Rubidium and Bromine
Sodium and Hydrogen
Bromine and Mercury
What ions do metals form?
Positive (anions)
Negative (cations)
Both of the above
Neither of the above
What is the balanced formula of Sodium Hydrogen carbonate?
NaHCO
NaCO3
NAHCO2
NaHCO3
How many naturally occuring elements are there in the periodic table?
92
98
118
75
Who created the original Periodic table that the modern one is based on?
John Newlands
Dmitri Mendeleev
Johann Wolfgang Döbereiner
Alexandre-Émile Béguyer de Chancourtois
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