chemical basis

anything occupies space and has mass

• matter

• mass

• weight

• element

amount of matter in an object

• matter

• mass

• weight

• element

gravitational force acting on an object of a given mass

• matter

• mass

• weight

• element

simplest type of matter having unique chemical properties

• matter

• mass

• weight

• element

the smallest particle of an element that has the chemical characteristics of that element

• atom

• neurons

• molecule

• tissue

number of protons in each atom of an element, also the number of electrons

• atom

• atomic number

• mass number

• proton

number of protons and neutrons in each atom

• atom

• atomic number

• mass number

• proton

positive charge

• atom

• atomic number

• mass number

• proton

occurs when outermost electrons are transferred or shared between atoms

• chemical bonds

• ionic bond

• covalent bonds

• ions

results when electrons are transferred between atoms, creating oppositely charged ions , the attraction between two oppositely charged ions

• chemical bonds

• ionic bond

• covalent bonds

• ions