Matter
Has a definite volume and a definite shape
What is a solid?
This atomic number describe the number of these in an atom
What are protons?
These elements seldom form chemical bonds
What are noble gasses?
How atoms become anions
What is gain electrons?
In a chemical equation the small letter that indicates that a substance is a gas
What is (g)?
In this phase of matter the molecules of a substance are the greatest distance away from each other
What is a gas?
The farther from the nucleus an electron the more of this it has
What is energy/
All elements in the same group share this
What is the same number of valence electrons?
Al becomes an ion by (need specific number)
What is lose three electrons?
Element + element ---> compound
What is a synthesis?
This measures the average molecular kinetic energies of the molecules
What is temperature?
Atoms of an element with different numbers of neutrons
What are isotopes?
All elements in the same period share this
What is the same number of energy levels or electron shells?
The type of bond K atoms will make with Cl atoms
What is an ionic bond?
Compound ----> element + element
What is a decomposition?
Milk and paint are this type of mixture
What is heterogeneous?
The mass number of an element with 5 protons, 6 neutrons and 7 electrons
What is 11?
The name of group 17 elements
What are halogens?
The number of electrons shared between the hydrogen atoms in a molecule of H2
What is two?
A + BX-----> AX + B
What is a single replacement?
This term describes when molecules escape the surface of a liquid and become a gas
What is evaporation?
The majority of the mass of an atom is in the _______and the majority of the volume is in the ________
What are nucleus and electron cloud or energy shells?
The name of group 2 elements
What are the alkali earth metals?
The type of atoms most likely to share electrons and form a chemical bond
What are nonmetals?
Something is burned in a the presence of O2
What is a combustion?