Atomic Structure
Arrangements of the Periodic Table
Chemical Formula
Chemical Bonding
100
Atoms consist of very small particles called what?
Subatomic Particles (Protons, Electrons, Neutrons).
100
Where are metalloids located on the periodic table?
The zigzag line that runs between the five elements: boron, silicon, arsenic, tellurium, and astatine.
100
What is the bottom number in a chemical formula?
Subscripts
100
What is a chemical bond?
An attraction between atoms.
200
The number of protons in an atom is equal to what?
Atomic Number.
200
Where are gases located on the periodic table?
Gases are located on the right side of the periodic table.
200
What is the name for the highlighted area?
Coefficient
200
What is the covalent molecule prefix for 9?
Nona
300
An atom that has a net positive or net negative charge is what?
An Ion.
300
You can find the number of valence electrons an atom has by finding the column _____ above the elements.
Number
300
What two elements make water?
H2O
300
What are valence electrons?
The number of Energy levels in an atom correspond to the period number of the periodic table.
400
What is the Atomic Symbol of Sulfur?
S.
400
How can you find an atom's electron level?
By reading the period number to the left side of the periodic table.
400
What is the name of this compound NaCl?
Sodium Chloride
400
What is the difference between a Ionic and Covalent bond?
Ionic bonds transfer electrons. Covalent bonds share electrons.
500
If an atom has 10 protons, 10 neutrons, and 10 electrons, what element is it?
Neon.
500
What makes Bromine different from the rest of the elements?
It is the only nonmetal that exists as a liquid at room temperature.
500
Balance this equation Al+O2.
Al2O3
500
What is the rule called in which atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 valence electrons?
The octet rule