WorksheetsGroup 3: Acids, Bases, Solutions & Radioactivity
Total questions: 21
Worksheet time: 3mins
Any atom containing an unstable nucleus is called a...
Radioactive Isotope
Radio Wave
Radioactive Atom
Unstable Atom
What is the subscript of an isotope?
Radioactive number
Mass number
Atomic number
Power number
What is the superscript of an isotope?
Mass number
Power number
Atomic number
Radioactive number
Alpha decay is made up of...
Two protons + One neutron
Four protons + Three neutrons
One proton + One neutron
Two protons + Two neutrons
With a gamma ray the mass remains the same, but...
The energy of the atom decreases
The energy of the nucleus increases
The energy of the nucleus decreases
The energy of the atom increases
What is this?
Hydronium
Hydrogen
Hydrogen peroxide
What is the property of an acid?
Sour
Sweet
Spicy
Bland
What is a property of a base?
Sweet
Tasty
Bitter
Bland
A strong acid has a pH range of...
0-3
3-6
69-420
A weak base has a pH range of...
9-15
0-3
0.9999-3
7.1-11
What is an indicator of an acid?
Red litmus paper remains the same
Red litmus paper turns blue
Blue litmus paper turns red
Red litmus paper turn pink
What is fission?
Splitting of an atom into two smaller parts
Splitting of a nucleus into two parts
Splitting of a nucleus into one part
Splitting of an atomic nucleus into two smaller parts
What is an example of a base?
Aluminum Hydroxide
Sodium Chloride
Hydrogen Hydroxide
Hydroxide
What is an example of an acid?
Pathogen
Hydroxide
Sulfuric
What is a property of a base?
Slippery
Sweet
Bitter
Salty
What is an indicator of a base?
Changes blue litmus paper red
Changes red litmus paper blue
Changes blue litmus paper purple
Bases are defined as...
Proton donors
Proton resistors
Proton makers
Proton acceptors
What type of decay can be stopped by paper?
Alpha
Beta
Omega
Gamma
A beta particle can be stopped by..
A thin sheet of metal
A sheet of paper
Wood
Stone
What process releases huge amounts of energy?
Fusion
Fission
