Chemistry 5070/22 — October/November 2018
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
Topics Stoichiometry · Chemical Reactions · Atoms, Elements and Compounds · Metals · The Periodic Table · Organic Chemistry · +6 more
The electronic configurations of five atoms are shown.
Which electronic configuration represents each of the following descriptions?
Each electronic configuration may be used once, more than once or not at all.
a sulfur atom
______
a metal atom
______
an atom with a proton number of 14
______
an atom of a noble gas with three occupied electron shells
______
an atom which forms a noble gas electronic configuration when it loses two electrons
______
The element germanium has five naturally occurring isotopes.
An isotope of germanium is represented by the symbol shown.
What is the meaning of the term isotopes?
______
Deduce the number of neutrons in one atom of this isotope of germanium.
______
The rest of this paper
8 more questions- Q2Chemical Reactions · Stoichiometry · Electrochemistry · Experimental Techniques and Chemical Analysis · Metals10M
- Q3Organic Chemistry · Chemical Reactions · Acids, Bases and Salts · Stoichiometry7M
- Q4Organic Chemistry · Stoichiometry · Chemical Reactions11M
- Q5The Periodic Table · Atoms, Elements and Compounds · Stoichiometry · States of Matter · Acids, Bases and Salts10M
- Q6The Periodic Table · States of Matter · Atoms, Elements and Compounds · Chemistry of the Environment10M
- Q7Chemistry of the Environment · Organic Chemistry10M
- Q8Atoms, Elements and Compounds · Stoichiometry · Chemical Reactions · Metals10M
- Q9Chemical Reactions · Chemical Energetics · Stoichiometry10M