Atomic Structure
The subatomic particle(s) found inside the nucleus
Proton, Neutron
Any atom with a non-zero charge
Ion
Weighted Average of the masses of all the naturally occurring isotopes of that element
Average Atomic Mass
If I had 1 mol $.
What number of $ would I have?
6.022 x 1023 dollar bills
(true btw)
The Columns in the periodic table..
Subatomic Particle with a neutral electric charge
Neutron
Has the same number of protons, but a different number of neutrons.
Isotopes
Units that Atomic Mass are reported in
AMU (Atomic Mass Units)
Carbon has an average atomic mass of 12.011 amu. what is the molar mass of carbon?
12.011 grams/mol
The group number of the only unreactive family in the periodic table
Group# 18
Subatomic particle with nearly 0 mass
Electron
electric charge of an atom with 22 protons, 20 electrons, and 25 neutrons.
+2
Iron comes in 4 flavors. Fe-54, Fe-56, Fe-57, & Fe-58.
The average atomic mass must be between the range of these two numbers
54-58
how many particles are there in 4 mols of Sodium?
24.088 x 1023 particles
Plutonium (Atomic Number 94) belongs to this family
Actinide Series
Number of protons in an atom of Fe (The highest element fused in the heart of stars)
26
Number of neutrons in an atom of carbon-14
8 neutrons
69% of copper is copper-63. 31% is copper-65. What is the average atomic mass of Copper?
63.6 AMU
Molar mass of C6H12O6
180.156 g/mol
Most elements are: metals/nonmetals/metalloids
metals
Mass Number of an atom with 5 protons, 6 electrons, and 4 neutrons.
9
Proton, Neutron, Electron count of a Beryllium-9 atom with a +1 charge.
Protons:4
Neutrons:5
Electrons:3
93.3% K-39
0.0117% K-40
6.7% K-41
39.138 Amu
Number of mols in 20 grams of Boron
1.85 mols
Can cut with a knife
Highly Reactive (especially with water)
A metal (conductive, malleable)
Solid at room temperature
Reacts with halogens to form Salts