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

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

What quantities vary between isotopes of an element?

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

How many neutrons in C-14?

• 6
• 7
• 14
• 8

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

• 12
• 10
• 22
• 20

An atom is electrically neutral when

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

Different isotopes have...

• different masses
• different atomic numbers
• different electrons
• different protons

How many neutrons does a Carbon 13 atom have?

• 6
• 5
• 7
• 8

How many neutrons does a Calcium 48 isotope have?

• 16
• 20
• 28
• 12