The periodic table - Edexcel

1

What order did Mendeleev place the elements in to form his first periodic table?

2

How are the elements arranged in the modern periodic table?

3

Why did Mendeleev leave gaps in his periodic table?

4

What is the electron arrangement of an element with an atomic number of 16?

5

Which statement about the elements in the modern periodic table is correct?

6

What name is given to the horizontal rows in the periodic table?

7

Where is the element with the electron arrangement: 2.8.8.2 found in the periodic table?

8

Which part of the atomic structure has most effect on the chemical properties and reactions of an element?

9

Which atom will have similar chemical properties to the atom with:

Atomic number = 12

Mass number = 24

Electronic configuration 2.8.2

10

What changes in atomic structure occur as you move from left to right along the horizontal rows in the periodic table?