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The Periodic Table (Introductory) Flashcards | StudBud

Explore/The Periodic Table (Introductory)

The Periodic Table (Introductory)

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atomic number, periodic table, elements, periodic trends, families, subatomic particles

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Questions 10

Answers

1
Which of these elements are in the same family and thus have similar properties?
O and C
Ca and Mg
Na and C
Xe and F
2
The atomic number equals
the number of all subatomic particles of an element
the number of protons of an element
the number of protons plus neutrons of an element
the number of neutrons of an element
3
The noble gases (He, Ne, Ar, Kr, Xe) are all
are reactive
unreactive ("snobbish")
have an empty valence shell
have the same number of electrons
4
How many electrons does a neutral Chlorine atom have?
18
1
35
17
5
Which of the following is/are true of sodium (Na), Lithium (Li), and Potassium (K)?
they are in the same family
they all have the same number of valence electrons
Two of the other answers are true
they have the same number of neutrons
6
Families of elements in the periodic table
have the same atomic mass
are in the same column going up and down
are in the same row left to right
have the same atomic number
7
Boron (B) has how many protons?
4
6
3
5
8
"12.011" is Carbon's
atomic mass
number of protons
atomic number
number of electrons
9
How many electrons does a neutral Fluorine (F) atom have?
1
19
9
7
10
Cesium is a
metalloid
metal
none of these
nonmetal