scienc quiz Flashcards
(26 cards)
what is o
oxygen, #8, mass16
what is H
Hydrogen, #1, mass 1
what is C
carbon #6, mass 12
what is N
Nitrogen, #7, mass 14
what is Mg
magnesium, #12, mass 24
what is Si
silicon,#14, mass 28
what is Fe
Iron#26, mass 56
what is K
potassium, #19, mass 39
what is Ca
calcium, #20, mass 40
what is Cl
chlorine, #17, mass 35
what is Na
sodium #11, mass 23
H2o
Water
O2
oxygen gas
Co2
carbon dioxide
C6H12O6
glucose
what kind of charge does anion have
negative
what kind of charge does a cation have
positive
what are the electrons on the outermost shell called
Valence electrons
what are the two different kind of bonds
covalent, Ionic
what is a covalent bonds
sharing electrons from both atoms
what is an ionic bonds
stealing valence electrons
what are compounds made of
2 atoms that are chemically combined
what does PEN stand for?
Protons
Electrons
Neutrons
how do you find the electrons and protons of a atom
The Atomic number