How many protons, neutrons and electrons does this element have
Protons, electrons, neutrons in Boron
Protons- 5
Electrons- 5
Neutrons- 5
What do 2 positive charges do?
Which group is alkali metals in?
Group 1A
How many horizontal rows are in the periodic table?
Protons, electrons, and neutrons in hydrogen
1 electron
1 proton
What do 2 negative charges do?
They both repel with each other
Which group is noble gases in?
How many vertical rows are in the periodic table?
Definition- Nucleus
The center of an atom
How is the periodic table set up?
arranged by atomic weight and valence electrons
Protons, electrons, neutrons in Lead
Protons- 82
Electrons- 82
Neutrons- 125
Definition- Atomic number
number of protons and electrons of the atom
Electron cloud 1 and 2 can hold how many electrons
Electron cloud 1 can hold 2 electrons
Electron cloud 2 can hold 8 electrons
Protons, electrons, neutrons in Gold
Protons- 79
Electrons- 79
Neutrons- 118
Definition- atomic mass number
the total number of protons and neutrons in an atom's nucleus
Electron cloud 3 can hold how many electrons
Electron cloud 3 can hold how many the atomic number says