Atomic Structure Review

What element is shown in the diagram assuming that there are just as many protons as electrons?

• Carbon

• Beryllium

• Boron

• Californium

What is A pointing to

• Neutron

• Proton

• Electron

• Nucleus

What is B pointing to

• Neutron

• Proton

• Electron

• Nucleus

What is C pointing to

• Neutron

• Proton

• Electron

• Nucleus

What is D pointing to

• Neutron

• Proton

• Electron

• Nucleus

What is the correct notation for a Fluorine atom with 9 protons, 11 neutrons, and 9 electrons?

• $\frac{20}{11}F$

• $\frac{20}{9}F$

• $\frac{18}{11}F$

• $\frac{19}{9}F$

How many electrons are found in

 $\frac{32}{16}S^{3-}$  

• 19

• 18

• 20

• 16

Which are DIFFERENT isotopes of the same element?

• ²⁰_{10 Q and} ²⁰₁₁Q

• ²¹_{10 Q and} ²⁰₁₁Q

• ²³_{10 Q and} ²³₁₀Q

• ²¹_{14Q and} ²⁰₁₄Q

A random element has 3 naturally occuring isotopes. Which of the following describes the relationship of these isotopes?

• Same atomic number, different mass number

• Different atomic number, same mass number

• Same atomic number and same mass

• There is no relationship

Where is all the mass of an atom located?

• Electrons

• Nucleus

• Protons

• Neutrons