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WorksheetsAtom structure and bohr models
Total questions: 15
Worksheet time: 11mins
Which subatomic particle is not located in the nucleus of the atom?
proton
neutron
electron
none of the above
Selena performs an experiment to determine if air is made of matter. She takes the mass of a syringe that is vacuum sealed and then re-takes the mass of the syringe when the vacuum seal is broken. Below are her results. What can she conclude from her experiment?
Yes, air is matter because it has both volume and mass
No, air is not matter it only has volume but no mass
No, air is not matter it only has mass but no volume
Yes, air is matter because it has either mass or volume
Rutherford, Dalton, Bohr, Thomson
If the mass number of this chlorine atom is 36, how many neutrons does it have?
17
18
19
can't be determined
All matter is made of _________.
What did Bohr’s experiments tell us about the atom?
Bohr discovered that atoms existed
Bohr discovered that electrons orbit the nucleus
Bohr discovered electrons existed
Bohr discovered atoms were 99.99% empty space
What does the atomic number tell us?
How many electrons an element has
How many neutrons an element has
How many protons an element has
How many protons and neutrons an element has
What is the Atomic Mass of this Element?
17
35
18
7
