Chemistry
The maximum number of electrons in the first energy shell
What is 2?
What is the element symbol for Silicon?
Protons have this charge
What is a postive charge?
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?
The number you use to find the number of protons in the nucleus.
What is the atomic number?
1 substance undergoes a reaction and breaks apart into 2
What is a decomposition reaction?
What are group 15 elements?
Baking ingredients for a cake results in what kind of change?
What is a chemical change?
This is often involved when a chemical change is taking place.
What is heat, light, color or odor change?
The more generic name for a neutralization reaction.
What is a double displacement reaction?
7
What is the atomic number of Nitrogen?
When two non-metals form a compound.
What is a covalent (or molecular) compound?
When hydrogen and a metal form an ionic compound.
What is a binary acid
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons
Ions are made in what way.
What is losing (stealing) or gaining electrons?
OH-
What is a hydroxide ion?
P2O5
What is Diphosphorous Pentoxide?
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?
The maxiumum number of electrons in the 2nd energy shell
What is 8?
Water is made of these two elements.
What is hydrogen and oxygen?
Diatomic elements that are gases at room temperature.
What is HOFBrINCl?
Name the scientist who created the periodic table of elements.
Mendeleev