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Periodic Table Review Flashcards | StudBud
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Periodic Table Review
Periodic Table Review
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finding elements on the PT, counting PNE, isotope format of names, periodic table trends
Flashcards
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Questions
25
Answers
1
How many electrons can be on the first energy level?
8
4
2
6
2
All elements in the same _________ on the periodic table have the same number of valence electrons.
diagonal
column
squad
row
3
How many neutrons will carbon have if the mass number is 13?
7
12.0107
6
12
4
How many Protons does an atom of this element have?
Ne
20.1797
10
20
5
How many valence electrons does Helium (He) have?
8
2
1
4
6
Rows (horizontal) on the periodic table are also called:
Classes or Types
Families or Groups
categories
Periods
7
How many protons, neutrons, and electrons are in potassium with a mass number of 39?
19 p+, 19 n0, 19 e-
20 p+, 18 n0, 19 e-
19 p+, 20 n0, 19 e-
20 p+, 20 n0, 19 e-
8
As you go across a row on the periodic table, the valence electrons _________.
stay the same.
increase by 1.
decrease by 1.
increase by 2.
9
How many valence electrons does chlorine have?
9
8
17
7
10
TRUE OR FALSE: An atom's number of neutrons is its average atomic mass minus its atomic number
True
False
11
How many electrons can go on the 2nd energy level?
8
4
6
2
12
The number of electrons in the valence energy level are called _________ electrons.
Outside
Energy Level
Valence
Valentine
13
What is the average atomic mass of this atom?
20
Ne
20.1797
10
14
How many electrons are in a neutral atom of nitrogen?
12
14
7
0
15
Mass Number is
e- + p
n0 - p+
p+ + n0
n0 + e-
16
Columns (vertical) on the periodic table are also called:
Periods
Families or Groups
categories
Classes or Types
17
How many neutrons in one atom of Zn with a mass number of 66?
35
65
65.39
36
18
How many electrons will Chlorine have? (assume neutral)
7
6
35
17
19
How many neutrons in one atom of Zn with a mass number of 65?
36
65.39
65
35
20
How many neutrons does Neon-21 have?
21
10
20
11
21
How many protons does Selenium have?
17
34
29
54
22
What element has one electron on the fourth energy level?
Chlorine
Kalium
Sodium
Potassium
23
Number of Neutrons is
p+ + n0
n0 - p+
e- + mass #
mass # - p+
24
The highest energy level containing electrons is called the ________.
Veyonce energy level
Big Brain Energy Level
Valence energy level
Valentino energy level
25
How many protons will this element have?
6
12
12.0107
5
