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Review: Groups and Periods Flashcards | StudBud
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Review: Groups and Periods
Review: Groups and Periods
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Periodic Table review year 11
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
How many periods does the periodic table have?
18
9
7
8
2
In a modern periodic table, elements are arranged in order of?
number of isotopes
number of neutrons
atomic mass
atomic number
3
Which elements are in the same group/family of the periodic table?
K and Ca
Na and Mg
Na and H
Li and Be
4
How many valence electrons does the element Magnesium (12) have?
4
1
3
2
5
Which group on the periodic table is
unreactive
because it has a full outer shell of electrons?
Transition Metals
Nobel Gases
Carbon Group
Halogens
6
What is a valence electron?
The electrons in the innermost ring that determine its size.
A neutral particle that gives the atom weight.
Electrons on the outermost shell.
A negative particle that neutralizes the atom.
7
Which group number on the periodic table are the halogens?
16
15
18
17
8
Elements that have the same number of valence electrons are?
in the same group
called nobe gases
called transition metals
in the same period
9
What does the Period # tell you about an element?
How many valence electrons it has.
How many total electrons it has.
How many protons it has
How many energy levels it has
10
A Russian chemist who is given credit for first arranging elements in a usable manner
Dalton
Rutherford
Moseley
Mendeleev
11
What are the vertical columns called on the Periodic Table?
Groups / Families
Periods
12
What does the Group # tell you about an element?
How many total electrons it has.
How many energy levels it has
How many protons it has
How many valence electrons it has.
13
Explain why elements in a group have similar properties.
Because they all have the same number of electron shells
Because they are all metals
they have the same number of valence electrons
Because they all have the same number of protons
14
Which elements are in the same period?
N and P
F and Cl
N and O
O and S
15
How is the periodic table organized?
Periods are vertical and groups are horizontal
Periods and groups are horizontal
Periods and groups are vertical
Periods are horizontal and groups are vertical
16
What are the horizontal rows called on the Periodic Table?
Periods
Groups
Families
