science exam - chemistry Flashcards

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1
Q

properties of ionic compounds

A

electrolytes, solid/crystals, brittle, high melting point, dissolve in water, metal bonded with nonmetal

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2
Q

how do you name ionic compounds?

A

the metal (positive cation) goes first. the nonmetal (negative anion) goes second and the ending is changed to ide.

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3
Q

how do you name molecular compounds?

A

prefixes like mono or di are used. prefix + first nonmetal, prefix + second nonmetal, replace the ending of the second nonmetal wth ide, the prefix mono is never used for the first nonmetal.

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4
Q

mono

A

one

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5
Q

di

A

two

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6
Q

tri

A

three

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7
Q

tetra

A

four

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8
Q

penta

A

five

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9
Q

what are the types of reactions

A

synthesis, decomposition, single displacement, double displacement

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10
Q

what is an acid

A

pH is below 7 and 1 is so acidic u will die also tastes sour like vinegar (CH3COOH) train colourless and transparent mostly, dissolves in water to produce H+ ions
when a non-metal oxides react in water

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11
Q

what is a base

A

base is cool and nice and above 7 apparently not a banana but think of soap like banana soap most are colourless and transparent taste bitter
when a metal oxide reacts in water to form bases

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12
Q

what do/are neutralization reactions

A

reaction between an acid and base, forms an ionic compound and water. double displacement. produces heat.

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13
Q

whats the law of conservation of mass

A

in a chemical reaction the total mass of the reactants is always equal to the total mass of the products

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14
Q

ok thats all for this deck go to another one

A

have a good day… good luck on the exam!!!!

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18
Q

chemical equation for hydrogen peroxide

A

h2o2

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28
Q

chemical equation for water

A

h2o

29
Q

chemical equation for ammonia

A

NH3

30
Q

chemical equation for methane

A

CH4

31
Q

where are the nonmetals on the periodic table?

A

on the right

32
Q

where are the metals on the periodic table

A

on the left and center