How many valence electrons does Hydrogen have?
One valence electron.
What is a mass number?
The number of protons and neutrons
In the Lewis Dot Structure, the valance electrons are shown as....?
Dots
What is Lithium's Electron configuration?
1s22s1
What is Hydrogen's Average atomic mass?
1.008
How many valence electrons does oxygen have?
Six valence electrons.
What element has 82 protons?
Lead
How many valence electrons can go into the first orbital?
2
What is the electron configuration for Neon?
1s22s22p6
What is the atomic mass number for oxygen?
15.999
How many valence electrons does fluorine have?
Seven valence electrons.
How many neutrons does 16-Oxygen have?
8
How many valence electrons are shown in the Lewis Dot Structure for Nitrogen?
5
What is the electron configuration for Sulfur?
1s22s22p63s23p4
What is the atomic mass number for calcium?
40.078
What is the definition for Valence Electron?
An electron that is found in outer most shell of an atom and that determines the atoms chemical properties.
An atom has 10 protons, 18 neutrons, and 10 electrons, what’s the mass number?
28
How many valence electrons are shown in the Lewis Dot Structure for Chlorine?
7
What is the electron configuration for Argon?
1s22s22p63s23p6
What is the atomic mass number for silver?
107.868
What group has the highest valence electrons?
Group 18
An element has a mass number of 13 and 6 protons, how many neutrons are there?
7
How many valence electrons are shown in the Lewis Dot Structure for Barium?
2
What is the electron configuration for Gallium?
1s22s22p63s23p63d104s24p1
What is the atomic mass number for lead?
207.2