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- 1. Multiple Choice
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
- 2. Multiple ChoiceMost of the mass in an atom is made up of _____________________?protons and electronsprotons and neutronsneutrons and electronselectrons and quarks
- 3. Multiple ChoiceWater is an elementtruefalse
- 4. Multiple ChoiceDIFFERENT kinds of atoms chemically combined to form a substance areMixtureElementCompoundSubstance
- 5. Multiple Choice
In which way are protons and electrons the same in an atom?
same mass
same number of particles
same charges
- 6. Multiple ChoiceThe mass number of an isotope is equal to the number of ______ in an atom.ProtonsNeutronsProtons + NeutronsElectrons
- 7. Multiple Choice
Which subatomic particle determines the identity of an element?
protons
neutrons
electrons
- 8. Multiple Choice
Which subatomic particle determines the charge of an atom?
protons
neutrons
electrons
- 9. Multiple Choice
The electron is not included in the calculations for the atomic mass because
It has negative charge
It is located in the outer energy levels of the atom
Its mass is basically zero
It attracts neutral particles
- 10. Multiple Choice
What is the number of protons that the element in this image contain?1471518 - Answer choicesTagsAnswer choicesTags