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Periodic Trends

Authored by Robert Bates

Chemistry

10th Grade

Periodic Trends
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

The atom with the largest atomic radius in Group 18 is - 

Ar
He
Kr
Rn

2.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

As you move down a group, atomic radius increases because - 

you add more and more neutrons
you add more and more protons
you add more and more shells (energy levels)
you add more atomic mass

3.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Francium (Fr) has the lowest ionization energy in Group 1 because - 

it has the smallest number of valence electrons
it has the greatest atomic mass
it has the greatest number of protons, so it attracts its electrons the strongest
its 1 valence electron is very far from the nucleus, so little energy is needed to remove it

4.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Of the halogens, which has the smallest radius?

F

Br

He

At

5.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

The element with the smallest ionization energy in Period 6 is - 

Rn
Cs
Os
Tm

6.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Which of the following will have a lower ionization energy than Scandium (Sc)?

Helium (He)

Titanium (Ti)

Calcium (Ca)

Magnesium (Mg)

7.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Media Image

Which of the following halogens has the greatest electronegativity?

Chlorine (Cl)

Bromine (Br)

Iodine (I)

Astatine (At)

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