Isotopes

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Isotopes are atoms of the same element with different #’s of __________ & therefore different __________.

• neutrons ; atomic numbers

• protons ; atomic numbers

• electrons ; mass numbers

• neutrons ; mass number

How many neutrons does an atom of the isotope Neon-22 have?

• 12
• 10
• 22
• 20

Two isotopes of carbon are carbon-12 and carbon-14.  These isotopes differ from one another by two protons.

• true
• false

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

The photo above shows the isotopic notation for which isotope?

• Carbon 12

• Carbon 13

• Carbon 14

• Carbon 15

What is the atomic number of this isotope?

• 2

• 8

• 10

• 18

What is the isotopic notation of this isotope?

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Isotopic notation for this model.

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