Unit 2-1 Isotopic notation

[qwiz repeat_incorrect=”true” qrecord_id=”aglimme-Unit2-1″]

[q]For each of the following questions drag the label to the correct spot.

[q labels=”bottom”]One isotope of chlorine has 17 protons and 20 neutrons.

 

[l]17

[fx] Protons(atomic number) go on the bottom left.

[f*] Excellent!

[l]20

[fx] The number of neutrons is not directly in the notation.

[f*] Good!

[l]37

[fx] The sum of protons + neutrons(atomic mass number) goes in the upper left.

[f*] Good!

[q labels=”bottom”]An atom was found to have 15 protons and 16 neutrons.

 

[l]15

[fx] Protons(atomic number) go on the bottom left.

[f*] Correct!

[l]16

[fx] The number of neutrons is not directly in the notation.

[f*] Great!

[l]31

[fx] The sum of protons + neutrons(atomic mass number) goes in the upper left.

[f*] Good!

[l]P

[fx] The symbol goes in on the right.

[f*] Excellent!

[l]S

[fx] 15 protons is phosphorus (P).

[f*] Excellent!

[l]Ga

[fx] 15 protons is phosphorus (P).

[f*] Correct!

[q labels=”bottom”] An atom was found to have an atomic mass number of 135 and 80 neutrons.

 

[l]135

[fx] The atomic mass number goes in the upper left.

[f*] Correct!

[l]80

[fx] The number of neutrons is not used directly in the symbol.

[f*] Excellent!

[l]55

[fx] The number of protons goes in the bottom left.

[f*] Excellent!

[l]Hg

[fx] 80 is not the atomic number.

[f*] Good!

[l]Cs

[fx] No. Please try again.

[f*] Great!

 

 

[/qwiz]