NST1501 Assignment 3 Semester 1 2023

2023




NST1501
ASSIGNMENT 3
Due date: 29 June 2023
Unique code: 885096




SEMESTER 1 2023

, NST1501 ASSIGNMENT 3
SECTION A
QUESTION 1


1.1 The three basic components of an atom are: (1)
a.protons, neutrons, and ions
b. protons, neutrons, and electrons
c. protons, neutrinos, and ions
d. protium, deuterium, and tritium




1.2 An element is determined by the number of: (1)
a.Atoms
b. Electrons
c. Neutrons
d. protons




1.3 The nucleus of an atom consists of: (1)
a. Electrons
b. Neutrons
c. protons and neutrons
d. protons, neutrons, and electrons




1.4 A single proton has what electrical charge? (1)
a. no charge
b. positive charge
c. negative charge
d. either a positive or negative charge




1.5 Which particles have approximately the same size and mass as each other?(1)
a. neutrons and electrons
b. electrons and protons
c. protons and neutrons