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WorksheetsParticulate Nature of Matter
Total questions: 25
Worksheet time: 24mins
Which statement best describes the fact that gases can be compressed?
The particles in a gas do not have a fixed volume.
The particles in a gas are very far apart.
The particles in a gas have no force of attraction (bonds) between them.
The particles in a gas are constantly moving very rapidly.
Which statement best describes the fact that a liquid cannot be compressed?
The particles in a liquid are all close and touching.
The particles in a liquid are constantly moving.
The particles in a liquid have weak attractive forces between them.
The particles in a liquid can change position.
Which of the following substances did Robert Brown observe thus forming the concept of Brownian motion?
Talc powder suspended in water
Pollen grains suspended in water
Talc powder suspended in air
Pollen grains suspended in air
Which statement best describes the fact that gases can be compressed?
The particles in a gas do not have a fixed volume.
The particles in a gas are very far apart.
The particles in a gas have no force of attraction (bonds) between them.
The particles in a gas are constantly moving very rapidly.
A substance has a boiling point of 90°C. What changes occur when it is heated from 50°C to 120°C?
energy of particles increase; attractive forces decrease
energy of particles decrease; attractive forces increase
energy of particles increase; attractive forces increase
energy of particles decrease; attractive forces decrease
The three states of matter are represented by diagrams X, Y and Z. Which change occurs during condensation?
X to Y
X to Z
Y to X
Z to X
The boiling points of four different liquids are given below. The particles in the liquids have approximately the same mass. Which liquid has the weakest bonds between its particles?
Liquid A boils at 20°C
Liquid B boils at 30°C
Liquid C boils at 40°C
Liquid D boils at 50°C
Which statement about liquids is correct?
They have a fixed shape and a fixed volume.
They have a fixed shape but not a fixed volume.
They have no fixed shape but they do have a fixed volume.
They have no fixed shape and no fixed volume.
An ice cube is gently warmed as shown. Which process is taking place?
Decomposition
Dissolving
Boiling
Melting
Which statement describes the particles in a gas?
As the particles move quicker the pressure of the gas decreases.
The movement of the particles is unaffected by temperature.
The particles are in random motion.
The particles are ordered.
Which would be a liquid at 50 °C?
A
B
C
D
W, X, Y and Z are diagrams of atoms and molecules.
Which statement is correct?
W and Z are molecules and X and Y are atoms.
W, X and Z are molecules and Y is an atom.
W, Y and Z are molecules and X is an atom.
X, Y and Z are molecules and W is an atom.
The particles of solids ________________
vibrate about their fixed postions
are able to slide over each other
move about freely at high speeds and in random direction
do not move
Arrange the strength of the forces of attraction between the particles of solids, liquids and gases from the strongest to weakest
(strongest) gases > liquids > solids (weakest)
(strongest) solids > liquids > gases (weakest)
(strongest) gases > solids > liquids (weakest)
(strongest) solids > gases > liquids (weakest)
Which letter shows a point when the substance is a solid?
A
B
C
E
Which letter shows a point when the substance is a gas?
B
C
D
E
Between which two points is the melting point of the substance?
A to B
B to C
C to D
D to E
Between which two points is the boiling point of the substance?
A to B
B to C
C to D
D to E
Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration
High, low
Low, high
Low, low
High, high
Which of the following is not a factor of that affects the rate of diffusion?
Particle size
Temperature
Volume
Concentration gradient
The experiment shown in the diagram demonstrates the process of...
(a)
Pick all the halogens which will be a gas at room temperature (20℃)
Fluorine
Chlorine
Bromine
Iodine
Astatine
