ELEMENTS AND THE PERIODIC TABLE
This element has the chemical symbol: O
what is oxygen
A bond where electrons are transferred between atoms.
What is an ionic bond?
The center of an atom is called the ______.
What is nucleus?
In a balanced chemical equation, the number of atoms on each side must be ______.
Na + Cl2----> NaCl
2Na + Cl2----> 2NaCl
What is equal?
_N2 + _H2 ----> _NH3
N2 + 2H2 ----> 2NH3
The most abundant gas in Earth's atmosphere.
What is nitrogen?
The atomic number of Carbon
What is 6?
A bond where electrons are shared between atoms.
What is a covalent bond?
Protons have a ______ charge.
What is positive?
Balance this equation:
H2 + O2 ----> H2O
What is:
2H2 + O2----> 2H2O
This scientist is known as the "Father of the Periodic Table".
Who is Dmitri Mendeleev?
These rows on the periodic table are called ____.
What are periods?
The type of elements (metal or nonmetals) that form ionic bonds.
What are metal and nonmetal?
Two or more atoms chemically bonded together form a ______.
What is a molecule?
The process of balancing equations follows this law of chemistry.
What is the law of conservation of mass?
The only metal that is liquid at room temperature.
What is mercury?
This group of elements does not typically bond with other elements.
What are Noble Gases?
What is sodium chloride?
The subatomic particle with the smallest mass.
What is an electron?
Balance this equation:
Fe + O2 ---> Fe2O3
What is:
4Fe + 3O2 ---> 2Fe2O3
Dry ice is a solid for of this gas.
What is carbon dioxide?
The element with the highest atomic number on the periodic table as of 2024.
What is Oganesson?
This term describes the smallest unit of a covalently bonded compound.
What is a molecule?
The number of protons in an atom determines its _______.
What is identity or element?
Balance this equation:
C3H8 + O2 ---> CO2 + H2O
C3H8 + 5O2 ---> 3CO2 + 4H2O
The study of carbon-containing compounds is called.
What is organic chemistry?