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CHAPTER 19: Properties of the Atoms and the Periodic Table Flashcards | StudBud
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CHAPTER 19: Properties of the Atoms and the Periodic Table
CHAPTER 19: Properties of the Atoms and the Periodic Table
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1
Elements in the same group undergo similar chemical reactions because they ...
are unstable and unreactive.
have the same number of electrons in their outermost shell.
have different number of electrons in their outermost shell.
are stable and reactive.
2
What is the Chemical symbol and Atomic Number for Calcium?
Ca, 40
Ca, 20
ca, 20
CA, 20
3
The outermost electrons are important because they
determine the stability of the element and how they react.
True
False
4
Which of the following is the correct electron dot diagram for Nitrogen (N)?
D
B
A
C
5
What is the mass number of an atom Carbon that contains 6 protons and 6 neutrons?
40
4
12
18
6
Which letter represents PROTON?
B
D
C
A
7
Which letter represents NEUTRON?
B
A
D
C
8
Which of the following is the correct electron dot diagram for Oxygen (O)?
A
B
C
D
9
What is the mass number of an atom Zinc that contains 30 protons and 35 neutrons?
30
35
65
5
10
Which letter represents ELECTRON?
A
C
B
D
