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Lab Chemistry Quiz Flashcards | StudBud
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Lab Chemistry Quiz
Lab Chemistry Quiz
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1
In Electronegativity, nonmetals are the strongest.
True
False
2
What is a Compound?
Two or more atoms share one or more electron pairs.
Consists of two or more elements and is bonded in a fixed ratio.
Shared by more than two atoms
3
Bonus 2: What are the Charges?
Electrons
Protons
Positive
Negative
4
How do you feel about the Lab Chemistry Test Tom?
100%
75%
25%
50%
5
How are positive Ions made?
Made when one or more electrons are lost.
Made when adding an electron to an atom.
Made when electrons combine.
6
In an Ionic Bond, what type of elements gives electrons
Nonmetals
Metals
Metals and Nonmetals
Bully Maguire
7
What is an Ionic Bond?
It's Nothing
Metals and Nonmetals
Metals
Nonmetals
8
In the Lewis Diagram, what does the dots represent?
To show the location of an atom.
To show covalent bonds between atoms.
To show the electron positions around the atoms.
9
Carbon is a metal.
False
True
10
Bonus: What are Valence electrons?
Outermost e-
Loose e- shared among entire material
Innermost e-
11
What is the Octet Rule?
Tendency of atoms to prefer to have eight electrons in the valence shell
The tendency of atoms to prefer to have nine electrons in the valence shell
The tendency of atoms to prefer to have ten electrons in the valence shell
12
Bonus 3: What is the answer when we see valence e?
Protons
Valence e
Atoms
Outermost e
13
How are Negative Ions Made?
Made when adding an electron to an atom.
Made when electrons are destroyed
Made when one or more electrons are lost.
14
Compounds share the properties of the elements there made of.
True
False
15
What happens when two atoms with a different charge come near each other?
They repel
They create more electrons
They get destroyed
They attract
16
Which Ions can have multiple charges and we have to use the roman numerals to show a specific charge?
Halogens
Transition Metals
Alkali Metals
Noble Gases
17
What are Delocalized Electrons?
Loose e- shared among entire material.
Shared by more than two atoms.
Outermost e-.
18
What is an Ion?
An atom or molecule with a net of an electrical charge.
The attraction of the positively charged metal ions.
Consists of two or more elements bonded in a fixed ratio.
19
Why do compounds have a technical name? (Nonmenclature)
To see what type of subatomic particle it is.
To see what elements we are dealing with and that we know what they are.
To see what bond they are.
20
Ionic Bonds share with all atoms.
False
True
21
What is a Bond?
A lasting attraction between atoms, ions, or molecules and forms compounds.
It's James Bond.
Transfer of an electron from one atom (metal) to another atom (nonmetal)
The tendency of atoms to prefer to have eight electrons in thevalence shell
