Atomic Structure Practice

This element has a mass number of 51. How many ELECTRONS does it have?

• 23

• 74

• 28

• 51

Tags

NGSS.MS-PS1-1

This element's mass number is 106. How many NEUTRONS does this element have?

• 46

• 106

• 60

• 152

Tags

NGSS.MS-PS1-1

This element's mass number is 79. Which of the following is the CORRECT APEMAN?

• A = 79

  P = 79

  E = 79

  M = 34

  A = 79

  N = 113

• A = 34

  P = 34

  E = 79

  M = 34

  A = 34

  N = 113

• A = 34

  P = 34

  E = 34

  M = 79

  A = 34

  N = 45

• A = 45

  P = 34

  E = 34

  M = 79

  A = 34

  N = 45

How many PROTONS does this element have if it has a mass number of 222?

• 86

• 136

• 222

• 308

Tags

NGSS.MS-PS1-1

What is the mass number of this element if it has 48 neutrons?

• 37

• 11

• 85

• 48

Tags

NGSS.MS-PS1-1

Which two subatomic particles make up the mass of an atom?

• Protons and Electrons

• Protons, Neutrons and Electrons

• Neutrons and Electrons

• Protons and Neutrons

Tags

NGSS.MS-PS1-1

Which of the following is TRUE about this element if it has a mass number of 84?

• A = 84

  P = 84

  E = 84

  M = 36

  A = 84

  N = 48

• A = 36

  P = 36

  E = 36

  M = 84

  A = 36

  N = 36

• A = 48

  P = 48

  E = 48

  M = 84

  A = 48

  N = 36

• A = 36

  P = 36

  E = 36

  M = 84

  A = 36

  N = 48

Which subatomic particles are equal in a neutral atom?

• Protons and Neutrons

• Protons, Neutrons and Electrons

• Protons and Electrons

• Electrons and Neutrons

How many ELECTRONS does this element have if it has a mass of 96?

Tags

NGSS.MS-PS1-1

This element has 125 neutrons. What is the mass number?

• 207

• 82

• 125

• 43

Tags

NGSS.MS-PS1-1