Show:
Atomic Number
Atomic Element
Mass Number and Neutrons
Atomic Symbol
Mixed bag
100

Atomic number for Neon

10

100

I have 12 protons

Magnesium

100
Mass number for Chlorine

35.45 amu 

100

Z= 8, X = ?

O

100

Atomic number AND protons for Carbon

6,6 

200

Atomic number for Potassium

19

200

I have 36 protons 

Krypton

200

Mass number for Arsenic 

74.92

200

A = 35.45, Z = 17, X = ?

Cl

200
Number of electrons for atomic number 31

31

300

Atomic number for Rhodium

45

300

I have 51 protons

Antinomy

300

Number of neutrons for Iodine 


74

300

Z = 37, Rubidium

Rb

300

Unit of measure for atomic mass

amu

400

Atomic number for Polonium 

84

400

I have 98 protons

Californium 

400

Number of neutrons for Gold

118

400

X = Rn, Z = ?, A = ?

Z = 80

A = 222

400

51.996     0 

           X

       24

 Chromium

500

Atomic number for Mendelevium

101

500

I have 60 protons

Neodymium 

500

Calculate the number of protons and neutrons for Samarium

protons: 62

neutrons: 88

500

X = Tungsten, Z = ?, A = ?

Z = 74

A = 183.84 


500
X = Xe, A = ?, Z = ?, b = ?

Z = 54

A = 131.29
b = 0