Vocab 1
characteristics that describe the atomic or elemental composition of substances
chemical properties
the property of matter which describes the acidity or alkalinity of a substance
pH
If mixed with water, is vegetable oil soluble, miscible, or neither?
neither
What does a pH indicator test determine about a given compound?
if the compound is an acid, a base, or a neutral substance
True or false, if you are given 2 pieces of metal that are silver, weigh the same. and bubble when acid is poured over them, you can determine the 2 metals are the same.
False
matter formed by the chemical combination of elements
compounds
a substance with a pH of 7
neutral
what is the math formula for finding the density of something?
Density = mass / volume
If you pour acid over a white compound and bubbles form, what occurred?
A chemical reaction?
A phycical change?
both?
chemical reaction
If you are given an unknown substance, can you determine if it is an element or a compound?
No
the ability of a liquid to be dissolved in another liquid
miscibility
a substance with a pH lower than 7
acidic
what is matter?
Anything that takes up space and has mass.
What are some physical properties?
smell, texture, color
What are examples of matter?
(anything that takes up space)
characteristics of substance that describe its shape, size or form
physical properties
a substance with a ph greater that 7
basic
Measure water in a graduated cylinder, drop the object in the water. Measure how much the water rose...Subtract the first number from the new number.
True or false, all liquid compounds have the same pH value.
False
Water has a pH of...
7
the ability of a solid to be dissolved in a liquid
solubility
matter that cannot be broken down by ordinary means
elements
what are some chemical reactions?
produces heat, gas, decomposition,
True or False, if you cut a substance in small pieces, you will not change the density of the substance
true
What is a triple beam balance used for?