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Periodic trends

Authored by Pragna Vasudevan

Chemistry

11th - 12th Grade

NGSS covered

Used 64+ times

Periodic trends
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28 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Ar
He
Kr
Rn

Tags

NGSS.HS-PS1-1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

As you move across the periodic table from left to right, the atomic radius decreases.  This is because - 

the number of protons increases, so attraction to electrons increases
the number of energy levels increases
the number of electrons increases
the atomic mass increases

Tags

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Rn
Cs
Os
Tm

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The energy required to remove electrons is the definition of: 

Electronegativity
Atomic Number
Atomic Radius
Ionization

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Electronegativity is...

the ability of an atom to attract/ accept electrons
the ability of an atom to lose electrons
the energy required to remove an electron from a specific atom
how easy it is to make friends. 

Tags

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which has the greater Electronegativity: 
N or C?

C
N

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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