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Chem Unit 4: Periodic Table Flashcards | StudBud
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Chem Unit 4: Periodic Table
Chem Unit 4: Periodic Table
25 terms
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StudBud Administration
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36 plays
2017-2018
Flashcards
25 cards
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Questions
25
Answers
1
This group tends to lose its 2 valence electrons to have a +2 charge
Group 16
Halogens
Alkaline Earth Metals
Alkali Metals
2
What element for 1s
2
, 2s
2
, 2p
6
, 3s
2
, 3p
6
, 4s
2
, 3d
6
Na
Fe
Si
Ag
3
What is the noble gas configuration (shortcut) for titanium?
1s2 2s2 3d2
1s2, 2s2, 2p6, 3s2, 3p6
[Ar] 4s2, 3d2
[Kr] 4s2 3d2
4
The most reactive group of nonmetals are...
Noble Gases
Group 13
Halogens
Alkali Metals
5
Adding protons to the nucleus of an atom increases its...
Electron shielding
Effective Nuclear Charge
Atomic Radii
6
What is the element for 1s
2
, 2s
2
, 2p
6
?
Na
H
Ne
He
7
Which Orbital Diagram is correct?
Both
B
A
Neither
8
Which element has the lowest ionization energy?
Nitrogen
Iodine (I)
Strontium (Sr)
9
Which element has the smallest atomic radii?
Rubidium (Rb)
Cesium (Cs)
10
Which element is the MOST electronegative?
Chlorine
Fluorine
11
Cesium is considered a highly reactive atom because has...
Low ENC Low Electron Shielding
High ENC Low Electron Shielding
High ENC and High Electron Shielding
Low ENC High Electron Shielding
12
Which of the following is NOT a Metalloid?
Carbon (C)
Germanium (Ge)
Antimony (Sb)
Silicon (Si)
13
The tendency to LOSE electrons is a characteristic of...
All Elements
Metals
Non-metals
Noble Gasses
14
Increasing this pushes valence electrons farther from the nucleus & makes them easier to remove
Electron Shielding
Neutron Number
Effective Nuclear Charge
15
These types of elements are malleable and have luster.
Metalloids
Metals
Nonmetals
16
Increases because electron shielding increases
Electron affinity
Atomic Radii
Ionization energy
Electronegativity
17
The tendency of an atom to attract electrons to itself when bonding chemically to another atom
Ionization energy
Atomic Radii
Electron affinity
Electronegativity
18
Which element has the lowest ionization energy?
Francium (Fr)
Hydrogen (H)
Ununoctium (Uuo)
Helium (He)
19
Which element has a bigger atomic radii?
Calcium (Ca)
Arsenic (As)
20
What element is represented in A?
Magnesium (Mg)
Neon (Ne)
Carbon (C)
Boron (B)
21
These elements are brittle and are poor conductors of electricity.
Nonmetals
Metalloids
Metals
22
Which element has a greater electron shielding force?
Sodium (Na)
Potassium (K)
23
As this INCREASES the atomic radii decreases and electrons orbit closer to the nucleus.
Neutron Number
Electron Shielding
Effective Nuclear Charge
24
The amount of energy needed to remove an electron from an atom or ion.
Electron affinity
Atomic Radii
Electronegativity
Ionization energy
25
Which element is most electronegative?
Chlorine
Bromine (Br)