Chemistry 1
Substance that contains space and mass
What is Matter
All matter exists in three forms solid, liquid and
What is Gas
Name the two properties of matter
What are Physical and Chemical
The atomic number tells us this.
What is the number of protons?
What is the atomic number of neon (Ne)?
10
Substances that cannot be reduced to simpler substances are called
What are Elements
A snack mix is an example of this type of mixture.
What is a heterogenous mixture.
What type of change occurs when ice melts to water
What is Physical
Name all 3 subatomic particles.
Protons, Neutrons, Electrons
A chemical reaction where two elements in different compounds trade places is what?
Double Replacement
What is the basic unit of matter that cannot be divided into simpler substances by ordinary chemical means
What is Atom
This type of mixture looks uniform throughout. Saltwater is a good example.
What is a homogenous mixture?
Giving a client a perm would be considered what type of change
What is Chemical
The type of bond where electrons are transfered
Ionic Bond
What's the molar mass of Fe?
55.85 g/mol
When two or more atoms are joined together chemically
What is Molecule
Ice is an example of this state of matter
What is Solid
What is a valence electron?
Electron in the outermost energy level
In covalent bond the valence electrons are
Shared
This element has a mass number of 22 and 11 neutrons.
Na (Sodium)
A substance formed by chemically combining two or more atoms of different elements is known as
What is Compound
Water is an example of this state of matter
What is Liquid
The sum of protons and neutrons in the nucleus of an atom is known as the _________.
Mass number
Will oxygen gain or lose electrons?
Gain two electrons
number of representative particles in a mole, 6.02 X 10^23
What is Avogadro's Number?
The elements can be found on the right side of the periodic table of the elements.
The elements can be found on the right side of the periodic table of the elements.
Neon and Argon are examples of this state of matter
What are Gases
What is the formula for density?
Density = Mass/Volume (Mass over volume)
Atoms with full valence electron shells are called
Noble Gasses
A positively charged ion