Vocabulary
Bohr Model
Properties
The Periodic Table
Elements of the
Periodic Table
Periodic Table
100
Positively charged particles of an atom that are located in the nucleus.
What is a proton?
100
Write in nuclear form for the following element:\
Carbon
What is 12^C?
mass number SYMBOL
100
All atoms of any given element have the same number of ________.
What is protons?
100
The elements in group 1 have ____ valence electrons.
What is 1 valence electron?
- amount of electrons on located on the last shell
100
This element has the chemical symbol of C.
What is Carbon?
200
Electrons that have the highest (last) energy level of an atom of an element.
What are Valence electrons?
200
How many energy levels would element Cs need?
7 energy levels
located in period 7= 7 shells
200
The maximum number of electrons that can occupy the 2nd shell of an atom
8
sequence (2,8,8,18)
200
The elements in group 18 are called ______ , have ___ valence electrons (except helium), and are useful because they do not ______ with other elements.
What are Noble Gases, 8 valence electrons, and react?
200
This element has the chemical symbol of Al.
What is Aluminum?
300
Atoms of an element with the same number of protons but different numbers of neutrons.
What are isotopes?
300
If you were drawing the Bohr model for Iodine (Atomic # 53) how many valence electrons would it contain?
300
Halogens are located in group ___?
What is 17?
300
The Russian chemist and teacher who first grouped elements together in a table by their atomic mass?
Who is Dmitri Mendeleev?
300
Hydrogen is the only non-metal located on the left side?
TRUE OR FALSE
True
400
The number of protons in an atom.
What is an atomic number?
400
Who organized the elements by atomic number?
Who is Henry Moseley?
400
The periods help us identify the amount of what?
amount of energy level (shells)
-elements in period 5 have 5 energy shells
400
In the Periodic Table it is categorized in only 3 ways.
What is metals, nonmetals and metalloids?
400
I am part of the Halogen family and have 5 energy levels.
What element am I?
What is Iodine?
500
Identify how many groups and periods?
groups- 18 columns
periods- 7 rows
500
Hyphen form for Sulfur
What is Sulfur-32?
500
Which subatomic particle is found outside the nucleus?
What are electrons?
500
The elements in each group share similar _____.
What is properties?
500
Metals are usually located on what side of the Periodic Table?
What is left side?