Periodic Table of the Elements

Question 1

Which element has an atomic mass of 45?

Accepted Answer

Scandium

Question 2

What is the periodic table of the elements organized by?

Accepted Answer

Atomic Number

Question 3

How many elements are in the periodic table of the elements?

Accepted Answer

118

Question 4

Which element has an atomic number of 14?

Accepted Answer

Silicon

Question 5

Which of the following is not a metal element?

Accepted Answer

Arsenic

Question 6

What is the atomic number of Krypton?

Accepted Answer

36

Question 7

Who organized the periodic table of the elements the way we know it today?

Accepted Answer

Mendeleev

Question 8

Which element is the lightest Noble Gas?

Accepted Answer

Helium

Question 9

What is the symbol for the element Carbon?

Accepted Answer

C

Question 10

What does Ag stand for?

Accepted Answer

Silver

Question 11

Which element has the lowest atomic mass?

Accepted Answer

Hydrogen

Question 12

What is the atomic mass of the element Phosphorus?

Accepted Answer

31

Question 13

How many protons are in an atom of Zinc (Zn)?

Accepted Answer

30

Question 14

Which of the following is not an Alkali Metal?

Accepted Answer

Beryllium, Radium

Question 15

Cerium (Ce) belongs to which family?

Accepted Answer

Lanthanides

Question 16

What is the first element with an atomic mass greater than 75?

Accepted Answer

Selenium (Se)

Question 17

What is the symbol for the element Tungsten?

Accepted Answer

W

Question 18

H is the symbol for which element?

Accepted Answer

Hydrogen

Questions 18