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classification + matter
ionic compunds
molecular compounds
balancing chemical equation
acid + bases
100
T/F there is a particle theory?
True
100
name the ionic compounds for aluminum + berillium
aluminum: Al2O3 berillium: BeO
100
name the molecular compund: N2O4
dinitride tetraoxide
100
T/F word equations and skeleton equations follow the law of conservation of mass
FALSE
100
what causes the sour taste in candies 1. citric acid or 2.acetic acid?
citric acid
200
what is matter?
matter is anything that has mass and takes up space
200
define multivant metal
a metal that can have moe than one charge when it forms an ion.
200
write the formula for each: nitrogen trifloride + sulfur trioxide
nitrogen trifloride: NF3 sulfur trioxide: SCI3
200
Why cant we change subscripts?
we cant change subscripts because if we did than it would change the entire compound
200
define acid
acids are a group of molecular compounds that have similar properties when dissolved in water
300
what is the particle theory?
1.made up of tiny particles 2.each pure substance has its own kind of particle which is different from the partcles of other pure substances 3.particles attract each other 4.particles are always moving 5.high tempurature, moves fast
300
name the ionic compound + the molecular compound for: Mg3P2 + CBr4 which is ionic and which is molecular?
Mg3P2 is the ionic compound for magnesium phosphride. CBr4 is the molecular compound for carbon tetrabromide.
300
what are molecular compounds made of? are they shared?
they are made of non-metals. yes they are shared, they are shared between two non-metals
300
what are the 3 formorms that chemical equations can be written in?
1.word equations 2.skeleton equations 3.balanced equations
300
which is an acod HCI or sodium cloride? why?
HCI is an acid because it starts with a hydroge. sodium cloride is not because it doesnt contain the word "acid"
400
what are 7 proberty's of quantitative?
1.viscosity 2.density 3.melting point 4.boiling point 5.solibility 6.hardness 7.conductivity
400
when does ionic bonding occur?
when metal transfers one or more electrons to a non-metal in an effort to attain a stable ocelet of electrons.
400
what bond is formed when electrons are shared?
when electrons are shared a bond occurs, that bond is called a covalent bond
400
how do we balance chemical equations?
we can balance chemical equations by ading coefficens to the front of the compounds in a chemical reation
400
what are bases used for?
some strong bases are used to make different cleaning products such as sodium hydroxide.