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chem303.s1.d32

cava chem 303 s1 3.03 Trends in the Periodic Table

QuestionAnswer
Metals are to the [...] of the BAt line. Metals are to the left of the BAt line.
Non-metals are to the [...] of the BAt line. Non-metals are to the right of the BAt line.
Metalloids (metal-like elements) are [...] the BAt line. Metalloids (metal-like elements) are on the BAt line.
The BAt line is the [...] line from Boron (B) to Astatine (At) The BAt line is the imaginary line from Boron (B) to Astatine (At)
The upper right corner of the periodic table is what we’ll call the [...] Corner The upper right corner of the periodic table is what we’ll call the New York Corner
The lower left corner of the periodic table is what we’ll call the [...] Corner. The lower left corner of the periodic table is what we’ll call the LA Corner.
The closer an element is to the LA Corner, the [-er] the atomic radius. The closer an element is to the LA Corner, the bigger the atomic radius.
The closer an element is to the New York Corner, the [-er] the atomic radius. The closer an element is to the New York Corner, the smaller the atomic radius.
Rows of the periodic table are called ‘[...]’. Rows of the periodic table are called ‘periods’.
[...] within the periodic table are called ‘groups’ or ‘families’ Columns within the periodic table are called ‘groups’ or ‘families’
Rows are [...] (you sit in them) Rows are side-to-side (you sit in them)
Columns are [...] (they hold up buildings) Columns are up-and-down (they hold up buildings)
[...] energy is how much energy it takes to tear away an electron from an atom. Ionization energy is how much energy it takes to tear away an electron from an atom.
Ionization energy is [-er] near the New York corner and [-er] near the LA Corner. Ionization energy is higher near the New York corner and lower near the LA Corner.
Cations are ions with a [...] charge. Cations are ions with a positive charge.
Anions are ions with a [...] charge. Anions are ions with a negative charge.
Ionic radii follow the same trend as atomic radii; big near [...], small near [...]. Ionic radii follow the same trend as atomic radii; big near LA, small near NY.
Moving to the right across a period moves you closer to the [...] corner. Moving to the right across a period moves you closer to the NY corner.
Moving to the bottom along a column moves you closer to the [...] corner. Moving to the bottom along a column moves you closer to the LA corner.
Moving to the left across a period gets you closer to the [...] corner. Moving to the left across a period gets you closer to the LA corner.
Moving to the top along a column moves you closer to the [...] Corner. Moving to the top along a column moves you closer to the NY Corner.
Any movement up, down, left, or right across the periodic table can be translated to a movement towards one of the special [...] and away from the other. Any movement up, down, left, or right across the periodic table can be translated to a movement towards one of the special corners and away from the other.
Cations are always [-er] than their elemental (atomic) forms, and anions are always [-er]. Cations are always smaller than their elemental forms, and anions are always larger.
Electronegativity is the ability of an atom to attract new [-s] or hold on to its own [-s]. Electronegativity is the ability of an atom to attract new electrons or hold on to its own electrons.
[...] is what creates ionization energy. It’s harder to take an electron away from something that holds on to it strongly! Electronegativity is what creates ionization energy. It’s harder to take an electron away from something that holds on to it strongly!
Because electronegativity creates [...] energy, the trend for electronegativity and [...] energy are the same; stronger near the NY corner, weaker near the LA corner. Because electronegativity creates ionization energy, the trend for electronegativity and ionization energy are the same; stronger near the NY corner, weaker near the LA corner.
The trends aren’t perfect: [...] has the highest electronegativity (not Ne or He) The trends aren’t perfect: Flourine (F) has the highest electronegativity (not Ne or He)
Non-metals are [...] metals; they are [...] a kind of metal! Non-metals are NOT metals; they are NOT a kind of metal!
non- = [...] non- = NOT
Created by: mr.shapard