Atomic Structure
Dalton's Atomic Theory or Modern Atomic Theory?
Protons, Neutrons, & Electrons
Electron Configuration
Miscellaneous
100
This subatomic particle is neutral, or has no charge.
What is a neutron
100
The mass number represents the total mass of the nucleus (protons + neutrons)
What is modern atomic theory?
100
helium
p - 2, n - 2, e - 2
100
This is the electron configuration of flourine.
What is 1s2 2s2 2p5?
100
The number of electrons an orbital can hold
What is 2?
200
The number of protons gives us this value, which is unique for each element and determines its identity.
What is the atomic number?
200
Atoms cannot be divided, created, or destroyed
What is Dalton's atomic theory?
200
Flourine
p - 9,n -10,e - 9
200
Noble gas configuration of Calcium
What is [Ar]4s2 ?
200
987000000 in scientific notation & number of significant figures present
What is 9.87x10^8 & 3 sig figs?
300
These two subatomic particles must be equal in number in order to make the atom neutral.
What are electrons & protons?
300
Atoms of the same element are identical.
What is Dalton's atomic theory?
300
Phosphorus
p - 15, n - 16, e - 15
300
the element with an electron configuration that ends in 2p6
What is neon?
300
This is why the atomic mass listed on the periodic table is not a whole number.
What is because it is the weighted average of all of the masses of the isotopes of a given element?
400
The two sub-atomic particles that make up the nucleus.
What are protons & neutrons?
400
Atoms are the smallest unit that retain the properties of that matter
What is modern atomic theory?
400
Chlorine - 37
p - 17,n - 20,e - 17
400
Noble gas configuration of Palladium
What is [Kr] 5s2 4d8 ?
400
Atoms with the same number of protons and a different number of neutrons, such as carbon-12, carbon-13, and carbon-14 are called this.
What are isotopes?
500
This particle is 1/1837 the a mass of a proton
What is an electron?
500
In chemical reactions, atoms are combined, separated, or rearranged.
What is both (Dalton's & modern theory)?
500
These are outer-shell electrons
What are valence?
500
Noble gas configuration of Bismuth
What is [Xe] 6s2 4f14 5d10 6p3 ?
500
Calculate the average atomic mass for silicon based on the percent abundances of its naturally occurring isotopes: Si-28: 98% Si-29: 1.5% Si-30: 0.5%
What is 28.03
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