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The periodic table has 7 _________.
Periods or Rows
The periodic table is arranged by ______________.
Increasing Z
Which group reacts violently with water (very reactive)?
Alkali metals
Which group is the least reactive group in the periodic table?
Noble gases
Truth or fake: He has the lowest atomic radius, lowest ionization energy, highest electronegativity and lowest metallic character.
Fake, He doesn't have electronegativity properties because is a noble gas.
Elements in column 13 have: 1, 2, 3 or 13 valence electrons?
3
Na, Au, Ag, or Pb: Which one is an example of a transition metal?
Au (gold) and Ag (Silver)
Silicon, Carbon, Sulfur or Bromine: Which element is an example of a semi-conductor?
Silicon (Si)
Rb, Ga, K, In: Which one has the biggest atomic radius?
Rb
The element with the biggest atoms is...
Fr
Truth or fake? When a cation is formed the ionic radius decreases.
Truth
Truth or fake? Mendeleev proposed: the periodic table must be organized according to atomic mass
Truth
Ge, In, P, Hg: Which element has the least metallic character?
P
W, Re, Os, or In: Which element has more metallic character?
Tungsten (W)
Be has 2 valence electrons, B has 3, and Pb has 5. Which one is more electronegative?
Lead
Fr has the biggest atomic radius, lowest ionization energy, highest electronegativity and highest metallic character.
False, Fr has the lowest electronegativity🤓☝️
In the periodic table, at the top of each element you'll find the ______________
Atomic Number (Z)
The columns have 2 types of numbering, the ________ and the _______
The classical (1-18) and modern (groups A and B)
The s,p,d,f is a classification of elements known as _________.
blocks
These kind of elements are good conductors of heat and electricity.
Metals
The main element that composes the living organisms is Carbon and it's considered a __________.
non-metal
The 3 main groups of the periodic table are composed by representative group, nobles gases and...
Transition and inner transition family
Which one is another name for column IVA?
Carbon family, carbon group, carbon column, column 14
Truth or fake: The bigger atomic radius, the bigger the electrons
Superfake🥸 But why?
F or Cl: Which element has the lowest ionization energy?
Chlorine
Magnesium or Sodium: Which element is considered "more metallic"?
Na
Boron, Nitrogen, Carbon, or Oxygen: Which one has the highest ionization energy?
O
The periodic table contains __ columns (or groups).
18
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