C o n c e p t ATTAINMENT QUIZ
8.5B: Protons and Electrons Matter and Energy
C o n c e p t CAQ: A T T A I N M E N T Q U I Z Name: _____________________________________
Date: _____________
I. Vocabulary Matching 1.
2.
______ An electron in the outermost energy level of an atom. ______ Atoms which gain or lose electrons which change the electrical charge.
3.
______ An area where electrons are floating.
4.
______ The ability of a substance to combine chemically with another substance.
A.
Ion
B.
Valence electron
C.
Reactivity
D.
Electron cloud
II. Identification 1.
To identify the element identity, you can use the _____________________ ______________________________.
2.
To determine the chemical properties of an element, look at the ____________________________ _________________________.
3.
Valence electrons can be used to determine _________________.
4.
Atoms with extra valence electrons are _________________ reactive.
5.
Atoms with a closed shell of valence electrons are _____________ reactive.
1
8.5B: Protons and Electrons
Concept Attainment Quiz
Matter and Energy
III. Open-Ended Response 1.
Provide a short explanation of the role of valence electrons. ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________
2.
Explain the reaction tendencies of metals vs. non-metals and how they compare in terms of gaining/losing electrons. ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________
2
C o n c e p t CAQ: A T T A I N M E N T Q U I Z Name: _____________________________________
Date: _____________
I. Vocabulary Matching 1.
2.
______ An electron in the outermost energy level of an atom. ______ Atoms which gain or lose electrons which change the electrical charge.
3.
______ An area where electrons are floating.
4.
______ The ability of a substance to combine chemically with another substance.
A.
Ion
B.
Valence electron
C.
Reactivity
D.
Electron cloud
II. Identification 1.
To identify the element identity, you can use the _____________________ ______________________________.
2.
To determine the chemical properties of an element, look at the ____________________________ _________________________.
3.
Valence electrons can be used to determine _________________.
4.
Atoms with extra valence electrons are _________________ reactive.
5.
Atoms with a closed shell of valence electrons are _____________ reactive.
1
8.5B: Protons and Electrons
Concept Attainment Quiz
Matter and Energy
III. Open-Ended Response 1.
Provide a short explanation of the role of valence electrons. ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________
2.
Explain the reaction tendencies of metals vs. non-metals and how they compare in terms of gaining/losing electrons. ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________
2
