Periodic Table & Elements
Atoms
Molecule, Compounds, & Mixtures
Physical or Chemical Properties of Elements
Vocabulary
100
What are the families on the Periodic Table?
The up and down columns.
100
What are the three parts of an atom?
Proton, neutron, and electron
100
Which column in the Periodic Table doesn't often bond with other elements because it doesn't have a charge?
Column 18 or Nobel Gases
100
The color of an element is a ___________ property.
physical
100
protons, neutrons, and electrons
particles
200
What are the periods on the Periodic Table?
The left to right rows.
200
What is the charge of the proton, neutron, and electron in an atom?
Proton-positive Neutron-none/neutral Electron-negative
200
Things mixed together but not bonded are known as what?
mixtures
200
An element has a crystal structure or shape is a _______________ property.
physical
200
A chart of the elements.
Periodic Table
300
How many groups are there on the Periodic Table?
18
300
An atom that has the same number of protons but different number of neutrons is called a what?
isotope
300
Two oxygen molecules bonded with a carbon molecule is more commonly known as what?
Carbon Dioxide (CO2)
300
The element bonds with hydrogen to form an acid is a ____________ property.
chemical
300
A force that holds molecules and compounds together
bond (chemical bond)
400
How many valence electrons does carbon have?
4
400
The atomic number is determined by the number of what?
Protons
400
Three oxygen molecules bonded together for the substance ozone. Ozone is an example of a molecule or compound or both?
Molecule
400
The element is highly explosive so it is a _____________ property.
chemical
400
The part of the atom that has no charge and found in the nucleus.
neutrons
500
What is the charge of the element sodium?
Positive 1 (+1)
500
When you draw a dot model of an atom, you need to know the chemical symbol and the __________________.
number of valence electron (electrons in the outer shell)
500
Why wouldn't lithium bond with sodium?
They both have a positive charge (on the left side of the Periodic Table).
500
The density of an element is a _________________ property.
physical
500
Positive charged part of an atom found in the nucleus.
proton
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