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8.5B Atomic Identity And Reactivity
Test Description: This is a review of the role of protons and valence electrons and how they relate to the atoms identity and reactivity respectfully.
Instructions: Answer all questions to get your test result.
1) What subatomic particle identifies the element
A
Electron
B
Valence Electron
C
Proton
D
Neutron
2) What subatomic particle tells me how reactive the element will be?
A
Electron
B
Neutron
C
Proton
D
Valence Electron
3) What is a Valence electron
A
The electrons that are positively charged
B
The electrons that are in the nucleus
C
The electrons on the innermost shell of an atom
D
The electrons on the outtermost shell of an atom
4) The Atomic number which identifies the element always tells your the number of what?
A
Protons
B
Neutrons
C
Total subatomic particles in the nucleus
D
Valence Electrons
5) Carbon has an Atomic number of 6 and an atomic mass of 12. What is true about carbon?
A
It has 6 Valence Electrons
B
It has 6 Energy Shells
C
It has 12 Protons
D
It has 6 Protons
6) Atoms of a certain element always contain 10 Protons and 8 Valence Electrons. What elements is it and how reactive is it.
A
It is Oxygen and it is very reactive
B
It is Oxygen and it is somewhat reactive
C
It is Neon and it is very reactive
D
It is Neon and it is not reactive
7) What characteristic of Sodium makes it extremely reactive
A
It has an equal number of protons and neutrons
B
It has a large mass
C
It has 1 valence electron and is in group 1
D
It has 11 Protons
8) Which of the following accuretly describes Boron
A
It has 13 Protons
B
It has 3 Protons
C
It has 13 Valence Electrons
D
It has 3 Valence Electrons
9) If an atom has only 1 valence electron how reactive is it?
A
It depends on how many protons it has
B
It is Extremely Reactive
C
It is Slightly Reactive
D
It is Not Reactive at all
10) The number at the top of each tells you what about all of the atoms in the column
A
The number of Protons
B
The number of Electrons
C
The number of Nuetrons
D
The number of Valence Electrons
*select an answer for all questions
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