Vocabulary
A material that consists of one atom.
What is an element?
A chart that organizes the elements by their atomic number and chemical and physical properties.
What is the Periodic Table?
The center of the atom.
What is the nucleus?
When different elements combine together.
What is a compound?
The smallest part of the element that has all of the chemical properties of it.
Each column of the periodic table.
What is a group, aka as a family?
The negative charge that circles the nucleus.
What is the electron?
A compound that has 1 atom of Oxygen and 2 atoms of Hydrogen
What is water?
The sum of protons and neutrons in the nucleus.
What is the mass number?
The elements have similar properties here.
Why are elements in a group?
The sub-atomic particles located in the nucleus.
What are protons and neutrons?
Elements of this side of the periodic table are more reactive with other elements.
What is the left side of the periodic table?
Theory that matter is composed of particles called atoms.
What is the Atomic Theory?
Atomic mass minus atomic number
What is the number of neutrons?
Adding or removing this does not change the charge of that atom.
What are neutrons?
C6H12O6 and C6H23O11 are different because of this.
What are the number of atoms?
When the protons and electrons are not equal and the atom has a positive or negative charge.
What is an ion?
A group on the periodic table that has properties of metals and non-metals.
What are metalloids?
In order to be a different element, it has to have a different amount of this sub-atomic particle.
What is a proton?
Atoms can combine in specific ways because of their structure, especially due to these.
What are electrons?