IB Chemistry HL S1.2 The nuclear atom questions

Exam-style multiple choice and written questions with full markschemes. Check multiple choice answers straight away, or type, photograph or draw a written answer and get it marked.

Type
Multiple choiceWritten
Difficulty
EasyMediumHard

Question 1

Paper 2Easy5 marks

Methanol with an isotopically labelled carbon atom is shown in Figure 1. The superscript gives the mass number of the labelled atom.

HH¹³COHH
(a)

Use the isotope label in Figure 1 and the periodic table to determine the numbers of protons and neutrons in the labelled atom’s nucleus.

[2]
(b)

For a neutral atom of this isotope, state the number of electrons, the charge of its nucleus, and where its electrons are located relative to the nucleus.

[3]