Isotope and nuclear decay review

How would you write the isotope name from this nuclide symbol?

• Sodium-23

• Sodium-11

• Sodium-12

• Sodium-22

Which of the following does NOT differ in isotopes of the same element?

• mass number

• number of neutrons

• number of protons

• chemical properties

Tags

NGSS.HS-PS1-8

How many neutrons are in the following atom?

• 47

• 61

• 108

• 155

Tags

NGSS.MS-PS1-1

How many protons are in the following atom?

• 82

• 125

• 207

• 189

What is the name of the pictured isotope?

• Chlorine-Schmorine
• Chlorine-17
• Chlorine-35
• Chlorine-18

Tags

NGSS.HS-PS1-8

What isotope is shown here? (Red = protons, gray = neutrons, blue = electrons)

• Beryllium-5

• Beryllium-9

• Boron-4

• Boron-9

Tags

NGSS.HS-PS1-8

An atom is electrically neutral when

• protons and neutrons are the same
• protons and electrons are the same
• neutrons and electrons are the same

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 47

What is the mass number of this atom?

• 1
• 3
• 4
• 7

Tags

NGSS.HS-PS1-8

NGSS.HS-PS1-7

These three isotopes of carbon have different -

• Atomic numbers

• Mass numbers

• Numbers of protons

• Symbols