Chemistry Unit 6: The Periodic Table

Question 1

How does the electronegativity of the atoms in the same group vary?

Accepted Answer

The electronegativity gets smaller as you go down a group

Question 2

What is the average atomic mass of the element Phosphorus?

Accepted Answer

30.93

Question 3

How does the size of the atoms in the same group vary?

Accepted Answer

Atoms get larger as you go down a group

Question 4

The elements circled here are…

Accepted Answer

Halogens

Question 5

How does the size of the atoms in the same period vary?

Accepted Answer

Atoms get smaller as you go to the right in a period

Question 6

What is the number of protons in an atom of Phosphorus?

Accepted Answer

15

Question 7

What is the symbol of the element Phosphorus?

Accepted Answer

P

Question 8

How does ionization energy of the atoms in the same period vary?

Accepted Answer

Gets larger as you go to the right in a group

Question 9

The elements circled here are…

Accepted Answer

Transition Metals

Question 10

The elements circled here are…

Accepted Answer

Alkali Metals

Question 11

How does the number of valence electrons in the elements of the same group vary?

Accepted Answer

They all have the same number of valence electrons

Question 12

How does the electronegativity of the atoms in the same period vary?

Accepted Answer

Gets larger as you go across to the right in a period

Question 13

How does ionization energy of the atoms in the same group vary?

Accepted Answer

The ionization energy gets smaller as you go down a group

Question 14

The elements circled here are…

Accepted Answer

Non-Metals

Question 15

The elements circled here are…

Accepted Answer

Alkaline Earth Metals

Question 16

The elements circled here are…

Accepted Answer

The Metals

Question 17

The elements circled here are…

Accepted Answer

Metalloids

Question 18

The elements circled here are…

Accepted Answer

Noble Gases

Question 19

How does the number of valence electrons in the elements of the same period vary?

Accepted Answer

Each element to the right has one more valence electron

Question 20

What is the atomic number of the element Phosphorus?

Accepted Answer

15

Question 21

How many electrons does a neutral Phosphorus atom contain?

Accepted Answer

15

Questions 21