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WorksheetsFormative Task
Total questions: 9
Worksheet time: 45mins
Where are protons and neutrons found in an atom?
orbiting the nucleus
in the nucleus
attached with electrons
there are no protons in an toms
When particles of a solid are heated, they gain:
potential energy
electrical energy
kinetic energy
elastic potential energy
Acids have following properties except:
sour taste
turn blue litmus paper red
soapy feeling
protons donor
Which of these is not related to particle theory of matter?
continuous movement of particles
arrangement of particles
forces of attraction in particles
law of conservation of energy
The atom visible in the picture has:
8 electrons, 8 protons and 8 neutrons
6 electrons, 8 protons and 6 neutrons
8 electrons, 7 protons and 8 neutrons
8 electrons, 8 protons and no neutrons
Describe the changes that take place in a solids as it is heated and it changes state to a liquid. Keep in mind the particle theory of matter.
A man moves to Antarctica from Pakistan, explain the measures he would have to take in order to adapt to the living conditions in Antarctica.
Sodium hydroxide reacts with hydrochloric acid to give sodium chloride and water.
a.Identify the name of reaction.
b. Name one famous everyday use of sodium chloride.
c.Sodium hydroxide is used in making soaps. Describe the properties that allow it to be used this way.
Here are two atoms:
Neon atom has atomic number 10 and atomic mass 20.
Sodium atom has atomic number 11 and atomic mass 23.
Calculate the number of protons, neutrons and electrons of both the atoms.
Find the number of shells they have too.
