Which element would have the lowest electronegativity? (1 point)

Question

Responses
an element with a small number of valence electrons and a large atomic radius
an element with a small number of valence electrons and a large atomic radius
an element with a large number of valence electrons and a small atomic radius
an element with a large number of valence electrons and a small atomic radius
an element with a large number of valence electrons and a large atomic radius
an element with a large number of valence electrons and a large atomic radius
an element with a small number of valence electrons and a small atomic radius

Answer 1

The element with the lowest electronegativity would be:

an element with a small number of valence electrons and a large atomic radius.

Elements with a small number of valence electrons (typically metals) are less likely to attract electrons, and those with a large atomic radius are further away from the nucleus, which further reduces their ability to attract electrons. This combination generally results in lower electronegativity.

Answer 2

Which elements on the periodic table are the least reactive? (1 point)
Responses
the group with helium at the top
the group with helium at the top
the group with carbon at the top
the group with carbon at the top
the group with fluorine at the top
the group with fluorine at the top
the group with hydrogen at the top

Answer 3

The least reactive elements on the periodic table are found in the group with helium at the top, which refers to the noble gases. Noble gases (such as helium, neon, argon, krypton, xenon, and radon) have full outer electron shells, making them very stable and typically nonreactive.

Answer 4

How are reactivity and electronegativity related?(1 point)
Responses
An element will be more reactive if it has a very high or very low electronegativity.
An element will be more reactive if it has a very high or very low electronegativity.
An element will be less reactive if it has a very high or very low electronegativity.
An element will be less reactive if it has a very high or very low electronegativity.
Elements with higher electronegativity are more reactive than elements with lower electronegativity.
Elements with higher electronegativity are more reactive than elements with lower electronegativity.
Elements with lower electronegativity are more reactive than elements with higher electronegativity.

Answer 5

The correct response is:

Elements with higher electronegativity are more reactive than elements with lower electronegativity.

This is particularly true for nonmetals, where higher electronegativity values correlate with greater reactivity, as these elements tend to attract electrons more effectively to form bonds. Conversely, metals, which typically have lower electronegativity values, tend to lose electrons and are more reactive in that context.

Answer 6

Which element listed would have the greatest electronegativity?
(1 point)
Responses
boron
boron
carbon
carbon
fluorine
fluorine
lithium

Answer 7

The element listed that would have the greatest electronegativity is fluorine. Fluorine is known to be the most electronegative element on the periodic table, with a value of 3.98 on the Pauling scale.

Answer 8

Which elements would react most easily with each other? (1 point)
Responses
an element with a high electronegativity and an element with low reactivity
an element with a high electronegativity and an element with low reactivity
an element with a high electronegativity and a second element with a high electronegativity
an element with a high electronegativity and a second element with a high electronegativity
an element with a high electronegativity and an element with a full shell of electrons
an element with a high electronegativity and an element with a full shell of electrons
an element with a high electronegativity and an element with a single valence electron

Answer 9

The elements that would react most easily with each other would be:

an element with a high electronegativity and an element with a single valence electron.

This combination typically involves a highly electronegative nonmetal (such as fluorine) reacting with an alkali metal (like lithium or sodium), which has a single valence electron. The nonmetal tends to attract the electron from the metal, leading to a strong ionic bond and a reaction.

Answer 10

Metallic bonds are responsible for many properties of metals, such as conductivity. Why is this possible?(1 point)
Responses
An attraction between a positive charge and a negative charge is created.
An attraction between a positive charge and a negative charge is created.
Two metals bonded together are going to be more conductive than a metal bonded with a nonmetal.
Two metals bonded together are going to be more conductive than a metal bonded with a nonmetal.
Metals have low electronegativity, so they are conductive because they pass charges easily.
Metals have low electronegativity, so they are conductive because they pass charges easily.
The bonds can shift because valence electrons are held loosely and move freely.

Answer 11

The correct response is:

The bonds can shift because valence electrons are held loosely and move freely.

This statement accurately describes why metallic bonds allow metals to conduct electricity. In metallic bonding, the valence electrons are not tightly bound to individual atoms; instead, they form a "sea of electrons" that can move freely throughout the structure. This mobility of electrons enables metals to conduct electricity and heat effectively.