Chemistry Ch.1 Fill-Ins
Theoretical
A scientist using mathematical models to isolate a new chemical process is working in the field of _____________ chemistry
analytical
Two scientists are trying to determine the exact nature of chemicals in a lava flow. They are working in __________ chemistry
Elements and compounds
Two types of matter that are pure substances are ________ and ________
Bi
bismuth
Al
aluminum
Ar
argon
P
phosphorous
Inorganic
A chemistry student is studying the formation of quartz crystal. She is study _______________ chemistry
liquid
A sample of matter can be poured from container to container. It takes shape of its container but only takes up a certain volume. Based on this information, the sample is in the _________ state
physical
A scientist is working to determine the properties and changes of matter in their relation to energy of a newly discovered mineral. The scientist is working in the field of ________________ chemistry
organic
A scientist is working to develop better dating methods for substances that contain carbon. He is working in the _____________ chemistry field.
biochemistry
A team is working to discover how an enzyme effects blood cells in sheep. They are working in the ____________________ chemistry field
homogenous
An alloy such as a gold ring, is an example of a ___________ mixture
chemical
An apple turning brown after being cut is an example of a _____________ change
chemical
Any substance with a definite composition is a _______________
Problem
Applied research is often performed to find the answer to a particular ______________
Knowledge
Basic research is performed to increase ______________
heterogenous
Gravel is an example of a ___________ mixture.
helium
He
products
In bonfires, oxygen allows wood to combust, leaving behind ashes. In this process, oxygen and wood are the reactants and the ashes are the _____________
14
In which group is carbon found?
1
In which group is lithium found?
18
In which group is neon found?
10
In which group is nickel found?
chemical
Iron and sulfur, when heated, form an iron sulfide that has different properties from either iron or sulfur. The formation of a iron sulfide is an example of a _______________ change
Pb
Lead
Mg
Magnesium
gas
Matter with neither definite volume nor definite shape is called a __________
neon
Ne
tin
Sn
compound
Sulfur and iron are mixed together then heated. When the result is cooled, the iron can no longer be separated from the sulfur with a magnet. The result of the mixture was a formation of a ________________
life
Technological development is performed to better our _______
Physical
The melting of butter is a ______ change because it does not produce any new substances.
reactants
The oxygen in air causes iron to rust, Iron and oxygen are ______ in this process and rust is the product
Liquid/Gas
The particles of a substance in the _______/______ state are able to slide past each other
chemistry
The study of matter and changes that occur in matter describes the science of _________________
4
What period can you find iron?
physical
When examining a mineral, hardness and color are two properties used for identification. Hardness and color are examples of ________________ properties
6
Which period can you find gold?
Cl
chlorine
H
hydrogen
I
iodine