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The nature of Matter
Periodic Table of Elements
100
Which two subatomic particles can be found in the nucleus of an atom?
proton and neutron
100
What is the element with the chemical symbol B?
Boron
200
classify sugar (chemical symbol C6H12O6) dissolved in water (H2O) as an element, compound, solution or mechanical mixture. Also state whether it is a pure substance or a mixtre.
Solution and mixture.
200
What is the atomic number of Barium (Ba)?
56
300
Name the charge, location and mass of the electron.
-1 charge, outsie the nucleus and is much smaller mass than that of a proton and neutron.
300
On each square on the periodic table, what information is shown?
-chemical symbol -Atomic number -Atomic Mass
400
Explain the biggest difference between an element and a mechanical mixtue.
an element is a pure substance and contains only one kind of atom (homogeneous) , whereas a mchanical mixture is a mixture and contains more tan one atom and you can see the different parts(heterogeneous).
400
What is the name of group 18?
Noble gases.
500
The particle theory of matter abides by these five laws. What are they?
- All matter is made up of extremely small particles -Eachpure substance has its own kindof particles diferent from any other pure ubstance -attract each other -are always in motion -particles at a higher temperature move faster than particles at a lower temperature
500
Name the element found in the group 2, period 4.
Ca, Calcium