Atoms
chemical bonds
molecules
periodic table
elements
100
What is an atom
smallest unique particle that makes up matter
100
Chemical bonds
What is the force that holds atoms together to form molecules?
100
2 carbons + 1 oxygen
Carbon dioxide
100
Which element has one proton?
hydrogen
100
what are three properties of metals
shiny, conduct heat, malleable, conduct electricity
200
What is a positively charged particle int he nucleus
Proton
200
What are the three types of chemical bonds
Ionic, covalent, metallic
200
formula for ammonia
nh3
200
Which element has 6 protons and 6 electrons?
Carbon
200
What are three properties of non-metals
dull, not conductive, not malleable
300
What is a negatively charged particle that orbits the nucleus?
electron
300
Stolen electrons
What forms ionic bonds
300
formula for table salt
NaCl
300
What is the chemical symbol for iron?
Fe
300
Give an example of a metaloid
B, Si, P, As, Se, Sb, Te
400
What is a material that is made of a single type of atom?
element
400
What forms covalent bonds
Shared electrons
400
HOw many hydrogens in C12H24O12
24
400
Which elements have full outer electron shells and are unreacitve?
He, Ne, Kr,Ar, Xe (noble gases)
400
Give an example of a noble gas
He, Ne, Ar, Kr, Xe, Rn
500
What is the interior part of an atom?
nucleus
500
What are charged atoms called?
ions
500
acidic molecule
HCl. H2SO4
500
Which elements have a single valence electron and are therefore very reactive?
Li, Na, K, Rb, Cs, Fr (alkali metals)
500
Give an example of a metal that is liquid at room temperature
mercury
M
e
n
u