Ions, Isotopes, and Atoms
What is an isotope?
An atom with a different number of neutrons
How do you find the number of valence electrons?
You check the column number.
What two types of elements do you need to form an ionic bond?
Metal and Nonmetal
What are the three periodic trends?
Electronegativity, Ionization energy, and Atomic Radius
What are the three states of matter?
Solid, liquid, gas
What is the equation to find the number of neutrons?
Neutrons = Mass Number - Protons
How many pairs and lone electrons should Chlorine have?
3 pairs and 1 lone electron
Which element will have a negative charge in NaBr?
Br
Which element has a bigger atomic radius, Br or Li?
Li
What happens to particles at absolute zero?
They stop moving.
Ca+2 has how many electrons
18
How many pairs and lone electrons does Silicon have?
1 pair and 3 lone electrons
What element will have a positive charge in LiCl?
Li
Which element has a higher ionization energy N or P?
N
What happens to liquid in a container?
It takes the shape of the container.
O-2 has how many electrons?
10
Draw the Lewis structure for CO2
See Ms. Kim's drawing.
Write the full Lewis structure Notation for K3N
3[K]+ [N]-3
Which element has a higher electronegativity Ca or Se?
Se
What is the atomic mass of Hydrogen?
1.01
If I am nitrogen and I have 8 neutrons, what is my mass?
15
Draw the Lewis structure for PH3
See Ms. Kim's drawing.
What is the full Lewis structure for CaF2?
[Ca]+2 2[F]-
Order the following elements from biggest atomic radius to smallest atomic radius: N, F, O, C
C, N, O, F
What is the mass number of hydrogen?
1