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- 1. Multiple Choice
Define atoms
A positively charged particle
the smallest particleof an element that keep theproperties of the element
A neutral particle.
A negatively charged Particle
- 2. Multiple Choice
What is the charge of a proton?
Positively charged particle (+)
Negatively charged particle (-)
Neutrally charged particle (0)
- 3. Multiple Choice
Why is an electron important within the atom?
I'ts important because it tells you the identity of the atom
It's important becaue the atom repells other atoms.
Important becuase is exerts a strong force to balance the atom.
Important because it determines chemical reactivity
- 4. Multiple Choice
What is the charge of a neutron?
Postively charged particle
Negatively charged particle
Neutrally charged particle
Extra charged Particle
- 5. Multiple Choice
What is the charge of an electron?
Postively charged particle
Negatively charged particle
Neutrally charged particle
No charged
- 6. Multiple Choice
Why is the Proton important within the atom?
I'ts important because it tells you the identity of the atom
It's important becaue the atom repells other atoms.
Important becuase is exerts a strong force to balance the atom.
Important because it determines chemical reactivity
- 7. Multiple Choice
Why is a neutron important within the atom?
I'ts important because it tells you the identity of the atom
It's important becaue the atom repells other atoms.
Important becuase is exerts a strong force to balance the atom.
Important because it determines chemical reactivity
- 8. Multiple Choice
Select the correct answer that matches the correct mass with the subatomic particle.
proton: 0amu, neutron: 1 amu, electron: 0amu
proton: 1amu, neutron: 0amu, electron: 1amu
proton: 1amu, neutron: 1 amu, electron: 0amu
proton: +1 , neutron: 0 , electron: -1
- 9. Multiple Choice
Never trust an atom because they make up
Nothing
Protons
everything
somethings
- 10. Multiple Choice
The atomic number on the periodic table can tell us. Use period table https://ptable.com/#Properties
# of electrons
# of protons and the identitiy of the atom.
# of neutrons
# or protons and neutrons.
- 11. Multiple Choice
Use the periodic table: If an atom have 12 protons what element is it. https://ptable.com/#Properties
Magnesium
Manganese
Carbon
Hydrogen
- 12. Multiple Choice
An atom that has a neutral charge has 13 protons how many electrons does it have?
11
0
13
26
- 13. Multiple Choice
What is the mass of a proton?
1 amu (atomic mass unit)
+1, Positive
-1 amu (atomic mass unit)
0 amu (atomic mass unit)
- 14. Multiple Choice
All atoms are nuetral means
Neutrons = protons
Protons = electrons
Neutrons = electrons
None of the above
- 15. Multiple Choice
If a neutral atom of sodium has 24 electrons how many protons does it have?
0
42
24
24 neutrons not protons
- 16. Multiple Choice
How can you calculate the charge of an atom
Neutrons + electrons
Electrons - Protons
electrons + Protons
Mass - neutrons
- 17. Multiple Choice
An atom has 34 protons, what element is it? Use periodic table https://ptable.com/#Properties
Selenium
Chlorine
Technetium
Sodium
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