Electron Configuration & Orbital Notation
What is the electron figuration for Na?
1s2 2s2 2p6 3s1
What particle has no charge?
Neutron
What’s an isotope
2 seperate atoms with the same number of protons but different number of neutrons.
What does an atomic number means?
The number of protons of each of the certain element.
What element has an atom with 48 protons and 65 neutrons and what is its mass
Cadmium - 113
Draw the Orbital Notation for Nitrogen.
2 2 3
What particle has a positive charge.
proton
Who had the plum pudding theory.
J.j thompson
What subatomic particle is not inside the nucleus?
Electrons
12 cm + 4 mm =
124 mm or 12.4 cm
How many electrons can each sublevel hold?
s-2, p-6, d-10, f-14
Draw arrows showing the direction that atomic radius increases.
Down and Left
Who discovered the Nucleus of an atom?
Rutherford
What subatomic particle(s) are inside the nucleus?
Proton & Neutrons
How many Millimeters is 1.005 Kilometers?
1,005,000
How many electrons go in a box and how many boxes are in each sublevel
2 in a box. s-1, p-3, d-5, f-7
Draw arrows showing the direction that electronegativity increases.
Up and Right
Who did the experiment with gold foil?
Rutherford.
What does the number under the name of the element stand for?
Average Atomic Mass
How many of each subatomic particle does a neutral atom, with atomic number 44 and mass number 102, contain?
p=44 e-=44 no=58
What is the electron configuration for Sr
[Kr] 5S2
What is the number of the group (Column) that the Nobel Gases Located in
18
Draw a Bohr model of Beryllium
Be
How many of each subatomic particle does the element Tungsten have?
P-74 e--74 no-110
Isotope mass fractional abundance
Mg-24 23.985 78.7%
Mg-25 24.986 10.13%
Mg-26 25.983 11.17%
24.31 amu