Basic Atomic Model
What is the charge of a proton?
Positive
What subatomic particles go in nucleus (middle) of the Bohr model?
Protons and neutrons
How many protons does boron (B) have?
5
What is the outermost electron called?
valence electrons
What group wants to lose electrons?
Group 1,2 and 3
What is the charge of a neutron?
No charge (neutral)
What is the maximum number of electrons that can fit on the first shell?
2 electrons
In a neutral atom, the number of electrons is always the ______ as the number of protons.
Same
How much electrons can each of the 4 shells hold in order?
1st shell-2
2nd shell-8
3rd shell-18
4th shell-32
Group 5,6 and 7 ________
Gains electrons
What is the negative subatomic particle called?
Electrons
Draw the Bohr model for lithium (Li)
P:3
N:4
E: 3
How many electrons does nitrogen (N) have?
7
What is the maximum number of electrons that can fit in the 2nd shell of the Bohr model?
18 electrons
Which element is an exception when it comes to valence electrons
helium
What is the middle of an atom called?
Nucleus
Draw the Bohr model for nitrogen (N)
P:7
N:7
E:7
What is iodine's atomic mass (rounded)?
127
What are the three subatomic particles
protons, neutrons, electrons
What are the vertical and horizontal sections called on a periodic table
groups and periods
What subatomic particles have negligible or little to no mass?
Electrons
Draw the Bohr model for sodium (Na)
P: 11
N: 12
E: 11
How many neutrons does bromine (Br) have?
45
Which two subatomic particles have mass?
Protons and neutrons
An ________ of an element is an element that
has the same atomic number but its atomic
mass may vary
An isotope of an element is an element that
has the same atomic number but its atomic
mass may vary