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Definitions
How Many
Electron Configuration
Periodic Placement
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100
What is an electron?
a stable subatomic particle with a charge of negative electricity
100
How many Valence Electrons are in Hydrogen?
1 Valence Electron in the outer valence shell.
100
The number of bonds an atom can form depends on?
The number of electrons able to be shared
100
What row is Helium in?
Row 1
100
What is the abbreviation for Iridium?
Ir
200
What is a valence electron?
An electron that is associated with an atom, and that can participate in the formation of a chemical bond
200
How many Valence electrons does Oxygen Have?
6 Valence electrons. 2 in the first shell and 6 in the last (Valence) shell
200
Hund's rule of maximum multiplicity states?
all orbitals of a given sublevel must be occupied by a single electron before pairing begins
200
What row and column is Potassium on the periodic table?
column 1 Row 4
200
What element is W on the periodic table?
Tungsten
300
What is a ionic bond?
A chemical bond formed between two ions with opposite charges
300
Sulfur is number 16 in the periodic table. How many Valence electrons does it have?
6 Valence Electrons
300
1s2 2s2 2p6 is the orbital configuration for?
Neon
300
Where are the transition metals located on the periodic table?
Between columns 3 & 12
300
How many elements are in the first 3 rows combined?
18
400
What is a Gaseous element?
Noble gases
400
How many valence electrons does column 17 have?
6 Valence electrons.
400
What is an appropriate electron configuration for a neutral sodium atom (Z = 11)?
1s22s22p63s1
400
Where and what are the 6 noble gases?
Column 18; Helium, Neon, Argon, Krypton, Xenon, Radon
400
How many rows and columns are there?
18 columns and 7 rows
500
What is a chemical element?
a species of atoms having the same number of protons in their atomic nuclei
500
Iridium (Ir) is number 77 on the periodic table. How many valence electrons does it have?
2 valence electrons
500
How many electrons are there in the third shell of the atom with atomic number 23?
11
500
In the column headed by Oxygen, what is the charge of the ion formed when atoms of these elements give up electrons to get a more stable electron arrangement?
-2
500
What is the element Sm?
Samarium