Isotopes

How many protons does Indium - 115 have?

• 49
• 114.82
• 115
• 66

What is the mass number for Carbon 14?

• 14
• 12
• 6
• 8

How many neutrons does Manganese - 55 have?

• 30
• 55
• 25
• 54

True or False:  The mass number comes directly off the periodic table?

• True
• False

How many electrons does Cesium - 134 have?

• 55
• 134
• 79
• 132

What is the correct way for writing the isotope with 45 protons and 59 neutrons?

• Rhodium - 104
• Rhodium - 45
• Rhodium - 59
• Rhodium - 103

What is the correct way for writing the isotope with 36 protons and 46 neutrons?

• Krypton - 82
• Krypton - 36
• Kryptonite - 82
• Kryptonite - 36

How many protons does Zirconium have?

• 40
• 91
• 51
• 92

How many neutrons does Cobalt - 59 have?

• 32
• 31
• 30
• 29

How many protons does Francium - 224 have?

• 87
• 224
• 223
• 137