Log inSign up for FREE
Library

Periodicity

Last updated about 1 year ago
48 questions
1

What does the periodic law state?

1

Which elements have similar chemical properties?

1

Which group on the periodic table is most reactive?

1

Which block of the periodic table contains the transition metals?

1

What block of the periodic table are the transition metals located in?

1

Which block of the periodic table contains elements with completely filled electron shells?

1

What group in the periodic table do lanthanides and actinides belong to?

1

In which block of the periodic table are group 1 alkali metals found?

1

What group in the Periodic Table contain the noble gases?

1

Why are noble gases unreactive?

1

Which noble gas is used in 'neon' advertising signs?

1

How many valence electrons does Neon (Ne) have?

1

What is the number of electrons of the outermost shell for noble gases?

1

How many valence electrons does an atom in Group 17 have?

1

How many valence electrons does sulfur have?

1

Why do elements in the same group have similar chemical properties?

1

In terms of electron configuration, why is helium (He) considered a noble gas?

1

Which group of the periodic table contains elements with two valence electrons?

1

What is the maximum number of valence electrons that an atom in s- or p-block can have in its outermost shell?

1

What happens to the atomic radius as you move from left to right across a period in the periodic table?

1

Which factor primarily causes the decrease in atomic radius across a period?

1

Why does atomic radius increase as you move down a group in the periodic table?

1

Which of the following elements has the smallest atomic radius?

1

What happens to the first ionization energy as you move down a group in the periodic table?

1

What is the trend in atomic size as you move across a period from left to right?

1

Why does the ionization energy tend to increase as you move across a period from left to right?

1

Which element would likely have the lowest first ionization energy?

1

An ion with 10 protons, 10 electrons and 11 neutrons is isoelectronic with what element?

1

Why do elements in the same group on the periodic table have the same number of valence electrons?

1

What changes in an atom when it becomes a cation?

1

Which of the following elements is more likely to form a cation?

1

What effect does the loss of electrons have on the atomic size of a cation?

1

What charge does a cation carry?

1

What happens to the atomic radius of an anion compared to its original atom?

1

Why does an atom form an anion?

1

What charge does an anion carry?

1

Which of the following elements is more likely to form an anion?

1

What does the electron shielding effect explain?

1

Which electron shell experiences the least shielding effect?

1

Why does electron shielding decrease ionization energy?

1

How does electron shielding affect atomic radius?

1

Why do the Noble Gases (Group 18) have low affinity to electrons?

1

Which element has the highest electronegativity?

1

How does electronegativity change across periods in the periodic table?

1

Why do atoms with higher electronegativities tend to attract bonding electrons?

1

In bonding, which type of atom tends to receive electrons?

1

Which chemical property is more closely associated with metals?

1

What is a characteristic property of nonmetals in the periodic table?