Based on the image on the last slide. As you go across a period, does the atomic radius get smaller or larger?
  • Smaller
  • Larger
  • Stays the same
Put these elements in order of INCREASING atomic radius.Li, O, C, F
  • O, C, F, Li
  • F, O, C, Li
  • Li, C, O, F
  • C, F, Li, O
Put these elements in order of DECREASING atomic radius.Ca, Be, Ba, Sr
  • Sr, Ba, Be, Ca
  • Be, Ca, Sr, Ba
  • Ba, Sr, Ca, Be
  • Ca, Be, Ba, Sr
Which elements do you think will have a low ionization energy and lose electrons more readily?
  • elements that form anions (negative charge)
  • Elements that form cations (positive charge)
  • Transition metals
Element A has a ionization energy of 419 kJ/mol. What block is it likely in?
  • P block
  • S block
  • D block
  • F block
Element B has an ionization energy of 1000 kJ/mol. What block is it likely to be in?
  • P block
  • S block
  • F block
  • D block
What elements do you expect to have a high electron affinity?
  • Elements that form cations
  • Elements that form anions
  • Transition metals
What elements have the highest Electronegativity?
  • Halogens (group 17)
  • Alkali Metals (Group 1)
  • Alkaline-earth Metals (group 2)
  • Noble gases (group 18)
Which element is more electronegative?
  • Oxygen
  • Nitrogen
  • Hydrogen
  • Carbon
As we go up the periodic table, there are fewer shells so the atomic radius...
  • Increases
  • Decreases
  • Stays the same
As we go across a period from left to right, the atomic radii...
  • Increases
  • Decreases
  • Stays the same
The most reactive nonmetal is named ______
  • fluorine
  • flourine
  • F
The most reactive metal is _____
  • F
  • Cs
  • Li
  • K
The number of valence electrons cannot exceed
  • 2
  • 4
  • 8
  • 16
Ionization Energy is the energy required to _____ an electron with regard to a gaseous atom.
  • Add
  • Remove
  • Excite
Which has the greatest atomic radius?
  • Mg
  • Ca
Which of the following will have a larger radius than Zinc?
  • Gallium
  • Aluminum
  • Magnesium
  • Strontium
Which of the following will have a higher electronegativity than arsenic (As)?
  • Carbon (C)
  • Neon (Ne)
  • Antimony (Sb)
  • Germanium (Ge)
Which of the following will have a lower ionization energy than Scandium (Sc)?
  • Helium (He)
  • Titanium (Ti)
  • Calcium (Ca)
  • Magnesium (Mg)
As atoms of elements in group 16 are considered in order from top to bottom, the electronegativity of each successive element....
  • decreases
  • increases
  • remains the same
  • none of the above
Which atom has the largest atomic radius?
  • potassium
  • rubidium 
  • francium
  • cesium
As you move down the periodic table atoms get bigger.  This is because ____________.
  • The atoms have more mass.
  • The atoms have more protons.
  • The atoms have more energy levels
  • The atoms have more nuetrons
As you move across the periodic table atoms tend to get smaller because, ______________.
  • the atoms have more mass.
  • the atoms have less mass
  • the atoms have more protons.
  • the atoms have less electrons.
Atoms that have a high electronegativity, _______________.
  • give up their electrons more easily.
  • hold on to their electrons more tightly.
  • have more electron shells.
Electronegativity is...
  • how good an atom is at attracting electrons
  • the ability of an atom to lose electrons
  • the energy required to remove an electron from a specific atom
  • how easy it is to make friends. 
Ionization energy is...
  • the energy required to add an electron to a specific atom
  • how much energy it takes to remove an electron from an atom
  • the energy required to shield the outer electrons from the nucleus
  • a measure of the ability of an atom to attract electrons
Metals have the largest - 
  • atomic radius and electronegativity
  • electronegativity and ionization energy
  • atomic radius only
  • ionization energy and atomic radius
The element with the largest electronegativity in the halogens is - 
  • At
  • F
  • Cl
  • Br
The element with the lowest electronegativity in Period 3 is -
  • Na
  • Cl
  • Ar
  • Mg
The electronegativity of Cl is the highest in PeriodWhy?
  • Cl is the largest and has the greatest effective nuclear charge
  • Cl is the smallest and has the lowest effective nuclear charge
  • Cl is the largest and has the lowest effective nuclear charge
  • Cl is the smallest and has the greatest effective nuclear charge
Which periodic group has the smallest atomic radius?
  • Alkali metals
  • Halogens
  • Noble Gases
  • Transition metals
A measure of the size of an atom, and is generally defined as the distance from the nucleus to the outermost electron orbit
  • chemical reactivity
  • atomic radius
  • energy levels
  • orbit
The core of an atom where most of the mass of an atom exists; contains protons and neutrons
  • nucleus
  • electron shell
  • proton
  • electron
The minimum energy required to remove an electron from the ground state of an atom
  • electron configuration
  • energy levels
  • ionization energy
  • ionic bond
A negatively charged subatomic particle that exists in various energy levels outside the nucleus of an atom
  • neutron
  • electron
  • proton
  • subatomic particle
The chart scientists use to organize and classify all the known elements
  • elements chart
  • the chart
  • Periodic Table of the Elements
  • Period table
The tendency of an atom to attract electrons and acquire a negative charge
  • electronegativity
  • charge
  • bonding ability
  • electron configuration
The energies of electrons as they orbit the nucleus of an atom
  • energy levels
  • orbits
  • shells
  • electron area
An electron that resides in the outermost shell, or principal quantum level, of an atom
  • periodic trend
  • electron shell
  • ionic radius
  • valence electron
In which of the following atoms is the 2s orbital closest to the nucleus? (Bonus question, worth 2 marks.)
  • S
  • Cl
  • P
  • Si
  • They are the same distance in all of these atoms.
The atom with the largest atomic radius in Group 18 is:
sc-7 sb-4-Periodic Trendsimg_no 66.jpg
  • Ar
  • He
  • Kr
  • Rn
Which of these has the larger atomic radius?
  • N-3
  • N
  • N-1
when atom gain an electron (negative) the size of atom
  • Increase
  • Decrease
  • No change
  • Small
Which element has the greater ionization energy?
  • Lead
  • Silicon
Put the following in order of increasing ionization energy:Neon, Lithium, Carbon
  • Lithium, Carbon, Neon
  • Carbon, Lithium, Neon
  • Neon, Carbon, Lithium
  • Lithium, Neon, Carbon
Which element has a lower electronegativity value?
sc-7 sb-4-Periodic Trendsimg_no 67.jpg
  • Calcium
  • Barium
Put these in increasing order:F, N, B
  • B < N < F
  • B < F < N
  • N < F < B
  • F < N < B
Now after the lesson has finished, how confident do you feel about the objectives discussed today.
  • I completely understood the lesson
  • I could use a bit more practice
  • I did not understand at all
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