An atom with a different number of neutrons

Elements in a group have similar properties because they all have:

The same number of valence electrons

How do I find the number of electrons in a neutral atom?

It is equal to the number of protons

Helium's valence shell is full with only 2 electrons in it because:

The first quantum is not big enough for a p orbital

The "octet rule" says:

All elements want a full valence shell

Electronegativity increases moving right and up because:

Nuclear charge is increasing; shielding is decreasing

What makes d-block and f-block elements so difficult to tell apart?

They all have the same valence shell configuration

How do I find the number of neutrons in an atom?

Subtract atomic number from atomic mass

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Periodic Table Review (HonChem)

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#O'Hair Review of the #Periodic #trends and basic information about the #Periodic #Table.

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Questions 30

Answers

1
Group 1A is known as:
Halogens
Rare Earth Metals
Alkali Metals
Alkaline Earth Metals
2
What is an isotope?
An atom with a different number of neutrons
An atom with a different number of electrons
An atom with a different number of protons
An atom with a different number of photons
3
Elements in a group have similar properties because they all have:
The same last name
The same number of valence electrons
A full octet
The same number of protons
4
How do I find the number of protons in an atom?
It is equal to the number of protons
Subtract atomic mass from atomic number
Subtract atomic number from atomic mass
Its equal to the atomic number
5
The electron configuration of this element is [Xe] 6s² 4f⁸
Krypton (36Kr)
Vanadium (23V)
Nickel (28Ni)
Gadolinium (64Gd)
6
Most of the elements surrounding the "staircase" are called:
Jim
Metals
Nonmetals
Metalloids
7
This term is used to describe the ability to pull a metal into a wire:
Ductile
Conductivity
Luster
Malleable
8
These two properties of atoms drive all of the periodic trends.
Shielding and atomic number
Atomic mass and atomic number
Nuclear charge and electron configuration
Shielding and nuclear charge
9
How do I find the number of electrons in a neutral atom?
Its equal to the atomic mass
Subtract atomic number from atomic mass
Subtract atomic mass from atomic number
It is equal to the number of protons
10
Noble gases are generally unreactive because:
They are too snobby
They have no valence electrons
They have full valence shells
Their number of protons equals the number of electrons
11
Where in nature are f-block elements usually found?
Not on Earth
South Africa
The Rocky Mountains
Siberia
12
The d-block is known as:
Alkaline Earth Metals
Rare Earth Metals
Transition Metals
Lanthanide Series
13
The electron configuration of this element is 1s² 2s² 2p⁶3s²3p²
Phosphorus (P)
Silicon (Si)
Selenium (Se)
Chlorine (Cl)
14
How many electrons are in ₁₇Cl^-?
18
None, that's why it has a charge
16
17
15
Helium's valence shell is full with only 2 electrons in it because:
Wait... this isn't American History class?!?!
It does not have enough electrons to fill the p orbital
The first quantum is not big enough for a p orbital
It is a freak of nature
16
What does an atom use to overcome another's ionization energy?
Ionization energy cannot be overcome
Conductivity
Electronegativity
Shielding
17
The "octet rule" says:
Resistance is futile
All elements want eight shells of electrons
All elements want a full valence shell
All elements want eight valence electrons
18
Where on the table will I find a group of colorless, odorless gases that are unreactive
Group 2 (2A)
Group 17 (7A)
Group 1 (1A)
Group 18 (8A)
19
Electronegativity increases moving right and up because:
Shielding is increasing; nuclear charge is decreasing
Nuclear charge and shielding are both increasing
Nuclear charge is increasing; shielding is decreasing
Shielding is decreasing; nuclear charge is staying the same
20
What makes d-block and f-block elements so difficult to tell apart?
They are all radioactive
They all react with main group elements
They all have the same valence shell configuration
They all have the same number of neutrons
21
This atomic property refers to an atom's ability to hold onto its own valence electrons
Electronegativity
Atomic radius
Conductivity
Ionization energy
22
Electronegativity and ionization energy increase in what two directions?
Down and Right
Up and Left
Up and Right
Down and Left
23
Which element is larger (has the bigger radius)?
Fluorine (9F)
Francium (87Fr)
Lithium (3Li)
Radon (86Rn)
24
How many electrons are in ₄Be²⁺?
2
4
6
Not enough info to tell
25
How do I find the number of neutrons in an atom?
Its equal to the atomic number
It is equal to the number of protons
Subtract atomic number from atomic mass
Subtract atomic mass from atomic number
26
This atomic property is the interference from electrons between the nucleus and valence shell
Electronegativity
Ionization energy
Blocking
Shielding
27
If I change the number of electrons an atom has, I have made:
A totally different element
An evil cyborg that will rise up and kill off humanity
An isotope
An ion
28
What do we use to uniquely identify atoms?
Atomic mass
Number of protons
Number of electrons
Number of neutrons
29
This atomic property is the ability to steal electrons from another atom
Huh? What?
Electronegativity
Atomic radius
Ionization energy
30
Name the halogen in period 4.
Calcium (20Ca)
Iodine (53I)
Bromine (35Br)
Krypton (36Kr)

Periodic Table Review (HonChem) Flashcards | StudBud