Each of the following describes an Atom 1 and an Atom 2. In which ...

[Kthamas]

Each of the following describes an Atom 1 and an Atom 2. In which case are the two atoms different isotopes of the same element?
 
  A) Atom 1: nucleus with 6 protons and 8 neutrons, surrounded by 6 electrons;
  Atom 2: nucleus with 7 protons and 8 neutrons, surrounded by 7 electrons.
  B) Atom 1: nucleus with 7 protons and 8 neutrons, surrounded by 7 electrons;
  Atom 2: nucleus with 7 protons and 7 neutrons, surrounded by 7 electrons.
  C) Atom 1: nucleus with 8 protons and 8 neutrons, surrounded by 8 electrons;
  Atom 2: nucleus with 8 protons and 8 neutrons, surrounded by 7 electrons.
  D) Atom 1: nucleus with 4 protons and 5 neutrons, surrounded by 4 electrons;
  Atom 2: nucleus with 5 protons and 5 neutrons, surrounded by 4 electrons.

Question 2

Substitute the correct prefix to the fun-word 103-mockingbird.
 
  A) deci
  B) tera
  C) peta
  D) pico
  E) kilo

[bulacsom]

Answer to Question 1

B

Answer to Question 2

E

[Kthamas]

Thank you!

[bulacsom]

Always glad to help...