Subatomic Particles
Protons have this charge.
Positive (+)
The maxiumum number of electrons in the 2nd energy shell
What is 8?
Baking ingredients into a cake is an example of this.
What is a chemical change?
Neon and Argon are examples of this.
What are Noble Gases?
Elements that are the most abundant on the periodic table.
What is a Metal?
Atomic number minus the number of protons gives you this.
What are group 15 elements?
This is evidence that a chemical change is taking place.
What are heat, light, color or odor change, or a precipitate forming?
Si
The element in group one that is not a metal.
What is hydrogen?
The names of the 3 subatomic particles
What are protons, neutrons, and electrons?
7
What is the atomic number of Nitrogen?
When two non-metals form a compound.
What is a covalent (or molecular) compound?
This element is the largest atom, due to it's lose hold on it's electrons.
What is Francium?
These form anions.
Non-metals
Ions are made in what way.
What is losing (stealing) or gaining electrons?
1 substance undergoes a reaction and breaks apart into 2
What is a decomposition reaction?
When hydrogen and a metal form an ionic compound.
What is a binary acid
Group 17 elements are these.
What are Halogens?
The sum of protons and neutrons in the nucleus of an atom is known as the _________
What is the atomic mass?
The atomic number tells us this.
What is the number of protons?
P2O5
What is Diphosphorous Pentoxide?
A neutralization reaction is a specific form of this type of reaction.
What is a double displacement reaction?
Diatomic elements that are gases at room temperature.
What is HOFBrINCl?
The scientist who discovered the periodic table
Who is Dmitri Mendeleev?