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- 1. Multiple Choice
Which shows the correct parts of the nucleus?
Neutron and Electron
Neutron and Proton
Proton and Electron
Proton, Neutron and Electron
- 2. Multiple Choice
Which part of an atom has the smallest mass?
Proton
Neutron
Electron
They are all the same
- 3. Multiple Choice
Which part of an atom has a positive charge?
Proton
Neutron
Electron
None of them
- 4. Multiple Choice
Which part of an atom has a negative charge?
Proton
Neutron
Electron
None of them
- 5. Multiple Choice
Which part of an atom has no charge?
Proton
Neutron
Electron
None of them
- 6. Multiple Choice
Using the picture from a periodic table, what is the Atomic Number?
26
Fe
55.845
56
- 7. Multiple Choice
Using the picture from a periodic table, what is the Atomic Mass?
26
Fe
55.845
56
- 8. Multiple Choice
Using the picture from a periodic table, how many PROTONS are in Iron?
26
30
55.845
56
- 9. Multiple Choice
When two atoms of the same element have different masses, they are called ______, and have a different number of ______.
Neutrons; Isotopes
Atoms; Isotopes
Isotopes; Protons
Isotopes; Neutrons
- 10. Multiple Choice
Calcium has the atomic number 20. If it has a mass number of 46, how many neutrons are present?
46
20
26
We cannot tell
- 11. Multiple Choice
The difference between a chemical and physical change is that...
A chemical change makes a new substance and a physical change doesn't
A physical change makes a new substance and a chemical change doesn't
There is no difference between a chemical and physical change
A chemical change makes something new and a physical change can only be measured microsopically
- 12. Multiple Choice
What is the mass number of bromine?
35
45
80
79.904
- 13. Multiple Choice
How many neutrons does this bromine atom have?
35
45
80
- 14. Multiple Choice
What two particles determine the mass number?
Protons and electrons
Electrons and neutrons
Protons and neutrons
- 15. Multiple Choice
What is the mass number of this Neon atom?
10
11
21
20
- 16. Multiple Choice
How many neutrons does this Neon atom have?
21
11
10
12
- 17. Multiple Choice
What is the atomic number of this element?
12
24
23
- 18. Multiple Choice
What is the mass number of this element?
12
24
23
11
- 19. Multiple ChoiceIsotopes are atoms that have differentMass numbersElement namesAtomic Numbers
- 20. Multiple ChoiceWhat information would allow you to determine whether two atoms are of the same or different elementsThe charge on each atomThe number of neutrons each hasThe number of protons in their nucleiThe location of the electrons in their electron clouds
- Answer choicesTagsAnswer choicesTags