WorksheetsPeriodicity Pre-Assessment
Total questions: 15
Worksheet time: 8mins
What is the trend in atomic radius as one moves down a group?
Atomic radius increases
Atomic radius decreases
Atomic radius does not change
Atomic radius decreases then increases
Atomic radius increases then decreases
What is the trend in atomic radius as one moves across a period?
Atomic radius increases
Atomic radius decreases
Atomic radius does not change
Atomic radius decreases then increases
Atomic radius increases then decreases
What is the general trend with ionization energy as one moves across a period from left to right?
Ionization energy generally decreases
Ionization energy generally increases
Ionization energy does not change
Ionization energy is the same value for all elements
Ionization energy is directly proportional to the atomic radius
What is the general trend with ionization energy as one moves down a group?
Ionization energy generally decreases
Ionization energy generally increases
Ionization energy does not change
Ionization energy is the same value for all elements
Ionization energy is directly proportional to the atomic radius
What is the trend for reactivity of the alkali metals as one moves down a group?
Reactivity increases
Reactivity decreases
Reactivity is relatively the same for the whole group
Alkali metals are generally unreactive
The reactivity decreases then increases
Which element has the highest electronegativity?
F
K
I
Cs
H
What is the trend in electronegativity as one moves across a period from left to right?
Electronegativity increases
Electronegativity decreases
Electronegativity stays the same
Electronegativity is always greatest in the lower left of the periodic table
Electronegativity follows the same pattern as atomic radius
Which atoms have a larger atomic radius than sodium? Select all the apply.
Lithium
Beryllium
Boron
Potassium
Cesium
Which atoms have a smaller atomic radius than aluminum? Select all that apply.
Carbon
Nitrogen
Calcium
Strontium
Barium
What is the relationship between ionization energy and atomic radius?
A direct relationship, as the atomic radius increases, the ionization energy also increases.
A direct relationship, as the atomic radius increases, the ionization energy decreases.
An indirect relationship, as the atomic radius increases, the ionization energy also increases.
An indirect relationship, as the atomic radius increases, the ionization energy decreases.
There is no relationship between the two, they do not affect one another.
Which species are isoelectronic with argon? Select all that apply.
Ne
Na+
Cl-
S2-
K+
Which atoms or ions are isoelectronic with the sodium ion? Select all that apply.
Neon atom
Fluoride ion
Helium atom
Potassium ion
Magnesium ion
What is the charge of the barium ion?
2-
1-
1+
2+
3+
What is electronegativity?
It is a measure of how negative an ion can become.
It is a measure of the tendency of an atom to attract a bonding pair of electrons.
It is a measure of the negative charges present in an atom.
It is a measure of how easily an atom can conduct electric current.
It is the measure of voltage that runs across a period.
Which atoms would have a higher ionization energy than argon? Select all that apply.
Sodium
Magnesium
Potassium
Neon
Helium
