Parts of Atom
The inner part of an atom that contains the proton and the neutron is called the
Nucleus
What is The Periodic Table?
This is a chart which organizes the chemical elements.
What is a chemical change
A change that produces a new substance.
Atomic numbers of an atom are the same as the number of what in an atom?
protons
These particles have a positive charge and are found inside the nucleus.
Proton
What is The Atomic Mass?
The sum of the number of Protons plus Neutrons in the Nucleus.
What is physical change?
A change that does not produce a new substance
What is silicon's atomic number
14
These particles are located within the nucleus, and have no charge.
Neutron
What is a Group?
Columns or multiple columns in the periodic table.
What is a compound?
A combination of two or more chemically-bonded elements.
Why does hydrogen have an atomic number of 1?
because it only has one proton
These particles are negatively charge and are found outside the nucleus.
electrons
What are Alkaline Earth Metals? list the elements
Beryllium, Magnesium, Calcium, Strontium, Barium, Radium.
what are alkali metals?
lithium, sodium, potassium, rubidium, caesium, and francium
What element has a number of 56?
Barium
When you change the number of electrons on an atom, you produce a different
ion
How is the periodic table arranged?
by atomic #
and groups atoms with similar properties in the same vertical column
Anions tends to be a __________ and cations tend to be __________.
nonmetals, metals
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