chemistry asvab study
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31 Terms
what is in the nucleus
protons and neutrons
protons-
positive charge; mass is 1 amu
neutrons-
no charge; mass is 1 amu
electrons
negative charge; minor mass
atomic number-
number of proteins
mass number-
protons + neutrons
neutral atoms-
number of protons = number of electrons
periods (rows) are the number of ____ shells
electron
groups (columns) have
similar properties
metals are on the ___ side
left
metalliods are between
metals/nonmetals
group 1
Alkali metals; very reactive
group 2
alkaline earth metals
group 17
halogens; very reactive nonmetals
group 18
noble gases; unreactive
Al
Aluminum
Fe
Iron
Mg
magnesium
K
Postassium
Cu
copper
Au
gold
Ag
silver
ionic bonds- transfer of…
electrons; metal + nonmetal
what is an example of an ionic bond
NaCl (salt)
covalent bonds- sharing of
electrons; nonmetal + nonmetal
example of covalent bond
H2O
metallic bonds- "sea“ of
electrons; metal + metal
example of metallic bonds
Cu (copper)
synthesis equation:
A + B → AB
example of synthesis: 2Na + Cl2 →
2NaCl
Note 
Flashcards (127)