C4.1.2

Question 1

Who is credited with creating the first version of the periodic table?

Answer 1

Dmitri Mendeleev

Question 2

True or False: The periodic table is arranged by increasing atomic mass.

Answer 2

False

Question 3

Fill in the blank: The periodic table is arranged by increasing __________.

Answer 3

atomic number

Question 4

What year was the first periodic table published by Mendeleev?

Answer 4

1869

Question 5

Which element is placed in group 1 of the periodic table?

Answer 5

Hydrogen

Question 6

Multiple Choice: Which of the following elements is a noble gas? A) Oxygen B) Helium C) Carbon D) Iron

Answer 6

B) Helium

Question 7

What was the primary basis for Mendeleev’s arrangement of elements in his periodic table?

Answer 7

Chemical properties and atomic weights

Question 8

True or False: The modern periodic table includes elements that were discovered after Mendeleev’s time.

Answer 8

True

Question 9

What significant feature did Mendeleev include in his periodic table that anticipated undiscovered elements?

Answer 9

Empty spaces for predicted elements

Question 10

How are elements in the same group of the periodic table related?

Answer 10

They have similar chemical properties.