Chemistry 1
A snack mix is an example of this type of mixture.
heterogenous mixture
When two or more atoms are joined together chemically they make what?
Molecule
Is the water is a saltwater solution the solute or the solvent?
solvent
The elements can be found on the right side of the periodic table of the elements.
noble gasses
This type of mixture looks uniform throughout. Saltwater is a good example.
homogenous mixture
A substance formed by chemically combining two or more atoms of different elements is known as
Compound
Water is made of these two elements?
hydrogen and oxygen
The measure of acidity and alkalinity of a substance
PH
What term refers to anything that occupies space, physical and chemical properties and exists in gas, liquid or solid form
Matter
All matter exists in three forms solid, liquid and
Gas
---------- is known as the universal solvent
Water
There are this number of elements on the periodic table of the elements.
118
Elements represent unique forms of these little thingies. The building blocks of everything!
atoms
When one chemical changes its state of matter, the change is called
Physical Change
The atomic number tells us this.
number of protons
When acids and alkalis are mixed together in equal proportions they ---------- each other
Neutralize
This is the smallest atom.
Hydrogen
Neon and Argon are examples of
Noble Gases
This is made when salt is dissolved in water
Solution
A product of a 4.5 PH is considered
Acidic
Atoms bond together to form these.
molecules
When a substance gains oxygen, the substance is
Oxidized
A reaction that absorbs thermal energy is called ------
Endothermic
Element that contains the same number of protons but different number of neutrons
Isotope