B. Wrksht - Isotope and Average Atomic Mass (Make-Up)

How many neutrons in C-14?

• 6

• 7

• 14

• 8

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

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

In a correctly written symbol what would be located in the "A" position?

• number of neutrons

• atomic number

• number of electrons 

• mass number

What element is this?  What is the mass number of this atom?

• sodium, 23

• magnesium, 23

• magnesium, 12

• sodium, 11

which atom has  4 neutrons?

• Li-6

• Li-7

• Li-8

• they have the same # of neutrons

What is the mass of a proton and a neutron?

• 1amu

• 2grams

• 13amu

• 10cm

Which particles make up the nucleus of an atom?

• protons and neutrons

• electrons and protons

• electrons, protons, and neutrons

• electrons and neutrons

What is the mass number and name of an element with 8 protons and 8 neutrons?

• 16 - Carbon

• 16 - Oxygen

• 24 - Oxygen

• 8 - Neon