F321-Basic Chemistry Flashcards
Compound
More than one type of atom chemically bonded (ironically or covalently)
Element
One type of atom with the same number of protons
Mixture
Two or more substances mixed that are not chemically bonded together
Molecule
Two or more atoms covalently bonded
Particle
A general term used to describe any small portion of matter
Atom
The smallest component of an element
Describe air as a substance
Mixture, particle
Describe helium as a substance
Element, atom, particle
Describe K2SO4 (potassium sulfate) as a substance
Compound, particle
What is a period regarding the periodic table&what does it tell you?
The rows going across & it tells you the number of shells for each element
What is a group regarding the periodic table and what does it tell you?
The columns going down & it tells you the number of electrons in the outer shell
What is the name of group 7?
Halogens
What is the name of group 8/0?
Noble gases
What is the name of group 1?
Alkaline metals
What is the name of group 2?
Alkaline earth metals