What is electron shielding?

Inner electrons shield the valence shell from protons

Compare Beryllium to Nitrogen.

Be has a smaller electronegativity

Compare Beryllium to Nitrogen.

Be has a smaller ionization energy

Why does atomic radius decrease as you move across a period from left to right?

Increased # of electrons attracted to protons

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PS1-1.2 Periodic Trends

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Quiz on periodic table basic trends

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Questions 17

Answers

1
What happens to electronegativity as we go down a group from top to bottom?
Decreases
It stops at period 4.
Increases
Stays the same
2
What happens to ionization energy as we go down a group from top to bottom?
There is no change, in fact it's the most stable property.
Stays the same
Increases
Decreases
3
What happens to ionization energy as we go across a period from left to right?
Stays the same
It reaches a value of 110 and then stops growing.
Decreases
Increases
4
What happens to atomic radius as we go across a period from left to right?
Stays the same
There is no such thing, it's atomic diameter.
Decreases
Increases
5
What happens to ionization energy as we go across a period from right to left?
It drops by 1/2 for every element.
Stays the same
Increases
Decreases
6
What happens to atomic radius as we go up a group from bottom to top?
Increases
There is no such thing, it's atomic diameter.
Stays the same
Decreases
7
What is electron shielding?
Electrons are used to shield a radioactive isotope
Valence electrons shield the inner electrons from atoms
Electrons build an impenetrable shield against neutrons
Inner electrons shield the valence shell from protons
8
Compare Beryllium to Nitrogen.
Be has the same electronegativity
Be has a larger electronegativity
Be has a smaller electronegativity
N has zero electronegativity
9
What happens to atomic radius as we go across a period from right to left?
There is no such thing, it's atomic diameter.
Decreases
Stays the same
Increases
10
Compare Beryllium to Nitrogen.
Be has a smaller atomic radius
Be has the same atomic radius
Be has a larger atomic radius
N does not have an atomic radius
11
What happens to electronegativity as we go across a period from right to left?
Stays the same
Increases
It drops to zero and then rebounds.
Decreases
12
What happens to electronegativity as we go across a period from left to right?
Stays the same
It goes up in increments of 2.4 per element.
Increases
Decreases
13
What happens to ionization energy as we go up a group from bottom to top?
It goes up to 3.14 in period 2.
Decreases
Increases
Stays the same
14
Compare Beryllium to Nitrogen.
Be has a smaller ionization energy
N has zero ionization energy
Be has a larger ionization energy
Be has the same ionization energy
15
What happens to atomic radius as we go down a group from top to bottom?
Decreases
Increases
Stays the same
There is no such thing, it's atomic diameter.
16
What happens to electronegativity as we go up a group from bottom to top?
Increases
Stays the same
Decreases
It stops at period 4.
17
Why does atomic radius decrease as you move across a period from left to right?
Increased # of electrons attracted to protons
Increased # of protons attracted to protons
Increased # of electrons attracted to neutrons
Increased # of neutrons attracted to protons

PS1-1.2 Periodic Trends Flashcards | StudBud