A change that produces a new substance.
What is chemical change?
Lemon juice
What is an acid?
Columns or multiple columns in the periodic table
What is a Group?
Number of valence electrons
What is 7?
Number of significant figures in 2018
What is 4?
A change that does not produce a new substance.
What is physical change?
Vinegar
What is a acid?
Number of neutrons in the nucleus.
What is the Atomic Number?
What group the halogens belong to in the periodic table.
What is group 7?
Number of significant figures in 74859
What is 5?
Homogeneous mixtures of two or more substances
What is Solution?
Ammonia
What is base?
Scientist that came up with the concept of a periodic table.
What is Dmitri Mendeleev?
An ion of a halogen will often have a charge of.
What is -1?
Number of significant figures in 0.00052
What is 2? What is 2?
May be liquids, solids, gas.
Are spread evenly throughout solution
What is solute?
Distilled Water
What is neutral?
The sum of the number of protons, plus neutrons in the nucleus.
What is Atomic Mass?
Lighest halogen.
What is Fluorine?
Number of significant figures in .61300
What is 5?
A measure of how much mass is contained in a given unit volume
What is Density ?
Baking Soda
What is a base?
Magnesium, Barium, Calcium, Strontium, Beryllium, Radium.
What is Earth Alkaline Metals?
The halogens elements.
What is chlorine, fluorine, bromine, iodine?
Number of significant figures in 892000
What is 3?