Modern Periodic Table

Modern Periodic Table

7th - 11th Grade

15 Qs

quiz-placeholder

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Modern Periodic Table

Modern Periodic Table

Assessment

Quiz

Chemistry

7th - 11th Grade

Medium

NGSS
MS-PS1-1

Standards-aligned

Created by

Charles Martinez

Used 2+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the modern periodic table elements are arranged by:
atomic mass
atomic number
valence electrons
number of isotopes

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why were there blank spaces left in Mendeleev's periodic table?                                              
He didn't know what to put there.
 Undiscovered elements not yet known.
Multiple elements could have fit
He forgot to add the elements in.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which property did Mendeleev use to order his periodic table?
Shielding effect
Eletronegitivity
Atomic Weight
Metallic Character

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was Dmitri Mendeleev's greatest contribution to the history of the periodic table?
He arranged all of the known elements by their atomic number
He realised that there was a pattern of reactivity which repeated every 8 elements
He predicted the existence (and properties) of new elements
He identified the "law of triads" which became the groups

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property did Newlands use to arrange his elements?                               
atomic mass
 number of protons 
atomic size     
melting point      

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Mendeleev arranged the elements by their ________________

alphabetical

density

melting point

atomic mass

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The horizontal rows on the periodic table are called

groups

families

periods

atomic numbers

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