Atomic Mass
Atomic Number
Element Name
Neutrons
Challenge
100

The mass of an atom of Beryllium with no neutrons

4

100

The Atomic Number of Hydrogen

1

100

Name of the element with the atomic number 5

Boron

100

How many Neutrons are in an atom of Carbon with a mass of 13

7

100

What element did Rutherford use to prove the existence of the nucleus?

Gold 
200

The mass of an atom of Carbon with 6 neutrons

12

200

The Atomic Number of Oxygen

8

200

Name of the element with three protons 

Lithium

200

How many Neutrons are in an atom of Lithium with a mass of 6

3

200

A charged particle of silicon has a total charge of -3. how many electrons does it have?

17

300

The mass of an atom of Chromium with 28 neutrons

52

300

The atomic number of Uranium 

92

300

Name of the element whose chemical symbol is "Sn"

Tin

300

How many Neutrons are in an atom of Radium with a mass of 226 

138

300

What is the symbol of the element name that is also a planet

Hg
400

The mass of an atom of Iodine with 74 Neutrons

127

400

The Atomic number of Antimony

51

400

Name of the element whos atomic mass is 238.0289

Uranium

400

How many Neutrons are in an atom with a mass of 14 and 5 protons 

400

Humans are made of four elements. What are they?

Carbon, Oxygen, Nitrogen, Hydrogen

500

The mass of an atom of Mercury with 121 Neutrons

201

500

The atomic number of Praseodymium

59

500

Name of the element who is neutral when it has 19 electrons around its nucleus

Potassium 

500

How many Neutrons are in an atom of Tungsten with a mass of 74

0

500

Who is the class scientist of the week? 

(*)