ISOTOPES

How many neutrons does the isotope of lithium have?

• 8
• 3
• 5

Tags

NGSS.MS-PS1-1

If a hydrogen atom has 1 proton, 1 electron, and 1 neutron, its atomic number is:

• 1
• 2
• 3

Tags

NGSS.MS-PS1-1

How many protons does this isotope of titanium have?

• 48
• 22
• 26

Tags

NGSS.MS-PS1-1

If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its mass number is:

• 16
• 32
• 48

What is the name of the pictured isotope?

• Copper-29
• Copper-63
• Copper-34
• CopperWopperHopperBopper

Tags

NGSS.MS-PS1-1

How is carbon-12 different from carbon-14?

• They have a different number of protons
• they have a different number of electrons
• they have a different number of neutrons

Tags

NGSS.HS-PS1-8

What do carbon-12 and carbon-14 have in common?

• they have same number of protons
• they have the same number of neutrons
• they have the same atomic mass
• they have the same atomic weight

Tags

NGSS.MS-PS1-1

What can you conclude about carbon-14 from its name?

• It has 14 electrons
• it has 14 neutrons
• it has 14 protons
• it has a mass number 14

Which istopes has 12 protons and 13 neutrons in its atoms?

• Magnesium 12

• Magnesium 13

• Magnesium 25

• Magnesium 24.305

The diagram shows three isotopes of hydrogen element. The heaviest isotope of hydrogen has

• three shells

• three protons

• two neutrons

• one electron