Chemistry 1
The number you use to find the number of protons in the nucleus.
What is the atomic number?
3 main states of matter
What are Solid, liquid, and Gas?
Ca
What is the element symbol for Calcium?
8 electrons
What is the number of electrons needed in the outer shell of a stable atom?
The amount of mass per volume
What is Density?
Three main groups of elements are on the periodic table
What are metals, nonmetals, and metalloids?
Ar
TWhat is the element symbol for Argon?
4
What is the number of protons in the atom Beryllium?
Highly reactive
What are the elements on the left hand side of the periodic table of elements?
Elements that are the most abundant on the periodic table.
What is a Metal?
The substances mixed to produce a chemical reaction are called
What are reactants?
C₆H₁₂O₆
What is the chemical formula for glucose?
Protons and Neutrons
What subatomic particles are in the nucleus?
O₂
What is an oxygen molecule?
Name the scientist who created the periodic table of elements.
Mendeleev
Group 18 elements on the right hand side of the periodic table of elements.
What are the Noble Gases?
Nitrogen (7)
What is the atomic number of Nitrogen?
The electron
What subatomic particle is in the outside of the nucleus of an atom?
Alkali metals
What are the elements in Group 1 called ?
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons
Ions are made in what way.
What is losing or gaining electrons?
An ion
What is a positive or negative charged molecule?
In a chemical reaction you find that there are the same number of atoms of each element in the reactants and products.
What is the conservation of mass?
Noble Gases
What are the group 8 elements called?
The sum of protons and neutrons in the nucleus of an atom is known as the _________
What is the mass number?
A covalent bond is formed by
What is the sharing of electrons?
The number of molecules in a chemical formula
What is the coefficient?
Ne
What is the element symbol for Neon?
26
How many protons are in Iron?
Lithium, sodium, potassium, rubidium, caesium and francium belong to the family of ______________
What is Alkali metal.
The elements in Group 1 or on the left of the periodic table
What are highly reactive elements or alkali metals?
The number of atoms of each element in a chemical formula?
What is a subscript?
Na
What is the element symbol for sodium?
14
How many protons are in silicon?
A type of element with properties between metals and non-metals
What are metalloids?