The state of matter which has very low density is:
Gas
Liquid
Solid
Solution
When a solid changes to a liquid, it:
boils
condenses
freezes
melts
If matter has energy taken away:
it contracts
it expands
it vaporises
nothing happens
A balloon is filled with gas. Inside the balloon the gas particles:
are avoiding each other.
are moving slowly.
are moving very quickly.
Are not moving
Which is the most dense substance in this list?
Aluminium
Lead
Oxygen
Water
When a gas changes to a liquid, it .......
sublimes
When a gas that smells spreads out, particles move away from where they started. This is called ......
diffusion
dispersion
condensation
evaporation
Which of these statements about solids is true?
They can be compressed easily.
They do not flow.
They have no definite volume.
They take the shape of their container.
Which statement about atoms is correct?
A Atoms contain protons and electrons in the nucleus.
B Neutrons are negatively charged.
C Protons are positively charged.
D The nucleon number is the number of neutrons.
Atoms contain electrons, neutrons and protons.
What is the definition of nucleon number?
A the number of neutrons in the nucleus of an atom
B the number of neutrons in the nucleus of an atom
C the number of protons in the nucleus of an atom
D the total number of neutrons and protons in the nucleus of an atom
The diagram shows the atomic structure of an element X.
What is X? Add pic Q11 Atomic Structure & Physics & Maths PT Quiz
A aluminium
B beryllium
C boron
D fluorine
