L1 Atomic Theory
L2 The Periodic Table
L3 Bonding and the Periodic Table
L4 Types of Bonds
L5 Acids and Bases
100
All matter is composed of ______________.
atoms
100
What is the atomic symbol of Potassium?
P
100
Two part question...
2. What would have been a better element to use to fill it?
1. Because H is very reactive.
2. Helium (non-reactive)
100
What two types of elements form ionic bonds?
Metals and nonmetals.
100
Is this an acid or a base: NaOH
Base
200
What makes up an atom?
Protons (p+), electrons (e-), and neutrons (n)
200
______________ is the sum of the p+'s and n in an atom's nucleus.
Atomic mass
200
Metals that can be hammered or rolled into flat sheets is said to be...
Malleable
200
An atom or groups of atoms that has either a positive or negative charge.
Ion
200
Another name for a proton.
H+ (Hydronium ion)
300
This scientist theorized that electrons move in specific orbits around nucleus.
The orbits are called "shells".
Niels Bohr
300
____________ determines the chemical properties of an element.
Atomic number (or number of protons).
300
Draw a dot diagram for Ne
300
What type of bond is there a sharing of electrons between two nonmetals.
Covalent Bond
300
The higher the H+ in a solution the _______ the pH.
lower
400
This scientist's gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus.
Earnest Rutherford
400
The periodic table is divided into 3 main groups that have similar overall properties. What are the 3 main groups?
Metals, Metalloids, and Nonmetals
400
What element is this and how many valence electrons does it have?
1. Cl (Chlorine)
2. 7
400
These types of bonds have high melting points and are NOT conductive (unless dissolved in water)
Ionic Bonds
400
Feels slippery, bitter tasting
Base
500
What does AMU stand for?
Atomic Mass Unit
500
This scientist lived in the 1800's is knows as the "father of the periodic table".
Dimitri Mendeleev
500
Two part question:
1. What element is in Group VA, Period 3.
2. Based on its location, give an example of an element that is similar in property.
1. P (Phosphorus)
2. N, As, Sb, Bi, Mc
500
Why is water considered the universal solvent?
Because it can dissolve most things due to its polar nature.
500
What is left over after an acid and base neutralize
Water and salt