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Unit 3: Arrangement of the Periodic Table Flashcards | StudBud
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Unit 3: Arrangement of the Periodic Table
Unit 3: Arrangement of the Periodic Table
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1
How many valence electrons does carbon (Group 4, Period 2) have?
14
2
6
4
2
What subatomic particle determines chemical properties
valence electrons
electrons
neutrons
protons
3
Which of the following has the most number of protons?
Ra 88
Fr 87
Rb 37
Ca 20
4
Which two elements will act the most similar chemically?
Cs (G1, P6)/ Au (G11, P6)
C (G14, P2)/ Br (G17, P4)
Mn (G17, P4)/ Tc (G17, P5)
Ca (G2, P4)/ K (G1, P4)
5
Which group has the most luster?
Non-metals
Metalloids
Metals
Halogens
6
How do energy levels change from Period 1 to Period 7?
Energy levels decrease
Energy levels increase
Energy levels stay the same
7
Which element is most stable?
Lithium (G1, P2)
Oxygen (G6, P2)
Argon (G8, P3)
Phosphorus (G5, P3)
8
What is a valence electron?
Outershell electron that determines period of an atom
electrons inside the nucleus
electrons on the first energy level
Outershell electron that determines reactivity
9
How can you determine the charge of an atom's nucleus?
count the number of neutrons
add the atomic mass to the atomic weight
count the number of electrons
count the number of protons
10
What group is made of metals that react violently with water?
Group 17: Halogens
Group 2: Alkaline-Earth Metals
Group 1: Alkali Metals
Group 18: Noble Gases
11
Where are the metals on the periodic table?
To the left and bottom
Along the dark zig-zag line
To the right
12
How do energy levels change from Group 1 to Group 18
Energy levels stay the same
Energy levels decrease
Energy levels increase
13
What subatomic particle determines an atom's identity?
neutrons
nucleus
protons
electrons
14
What is the most stable group on the periodic table?
Alkali Metals
Halogens
Noble Gases
Transition Metals
15
What happens to the atomic number as you move from Group 1 to Group 18?
Atomic number stays the same
Atomic number decreases
Atomic number increases
16
What group is made of non-reactive gases?
Alkali G1
Alkaline Earth G2
Halogens G17
Noble gases G18
17
Which statement describes a proton?
positive charge, 1 amu
positive charge, 1/2000 amu
negative charge, 1/2000 amu
no charge 1 amu
18
Which subatomic particles are found in the nucleus of the atom?
neutrons and electrons
protons and electrons
neutrons and valence electrons
protons and neutrons
19
What happens to the atomic mass from Period 1 to Period 7?
Atomic mass decreases
Atomic mass increases
Atomic mass stays the same
20
How does density change in a periodic table?
Density decreases left to right, increases top to bottom
Density increases left to right, but decreases top to bottom
Density increases left to right and top to bottom
Density decreases left to right and top to bottom
