What is the atomic number Barium?
56
Create a bohr model for Lithium (Li)
Protons: 3
Neutrons: 4
1st Shell: 2 electrons
2nd Shell: 1 electron
How many Protons, Neutrons and Electrons does Zn2+ have?
Protons: 30
Neutrons: 35
Electrons: 28
How many Protons, Neutrons and Electrons does Europium have?
Protons: 63
Neutrons: 89
Electrons: 63
Write the electron configuration of Gallium.
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1 or [Ar] 4s2 3d10 4p1
How many neutrons does Lead have?
125
Create a bohr model for Magnesium (Mg)
Protons: 12
Neutrons: 12
1st Shell: 2 electron
2nd Shell: 8 electrons
3rd shell: 2 electrons
How many Protons, Neutrons and Electrons does Ta3+ have?
Protons: 73
Neutrons: 108
Electrons: 70
How many Protons, Neutrons and Electrons does Francium have?
Protons: 87
Neutrons: 136
Electrons: 87
Strontium +2 ion is isoelectronic with which element.
Krypton
How many valence electrons does Argon have?
8
Create a bohr model for Sulfur (S)
Protons: 16
Neutrons: 16
1st Shell: 2 electrons
2nd Shell: 8 electrons
3rd Shell: 6 electrons
How many Protons, Neutrons and Electrons does Po3- have?
Protons: 84
Neutrons: 125
Electrons: 87
How many Protons, Neutrons and Electrons does Gold have?
Protons: 79
Neutrons: 118
Electrons: 79
Write the shorthand noble gas configuration for Barium.
How many valence electrons does Sulfur have?
6.
Create a bohr model for Hydrogen.
Protons: 1
Neutrons: 0
1st Shell: 1 electron
How many Protons, Neutrons and Electrons does Nb1+ have?
Protons: 41
Neutrons: 52
Electrons: 40
Which element has 74 neutrons on average?
Iodine
How many valence electrons are in the configuration? Identify the element.
[Ar] 4s2 3d4
2 Valence Electrons
Chromium
How many protons does Lead-208 have?
Create a bohr model for Fluorine1-
Protons: 9
Neutrons: 10
1st Shell: 2 electrons
2nd Shell: 8 electrons
How many Protons, Neutrons and Electrons does Cl1- have?
Protons: 17
Neutrons: 18
Electrons: 18
Which element has 55 neutrons on average?
Technetium
Write the shorthand electron configuration for Gold.
[Xe] 6s2 4f14 5d9