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15 Questions

elements compounds and mixtures

what is an element? a component or constituent of a whole or one of the parts into which a whole may be resolved by analysis
what is a compound? composed of two or more parts, elements, or ingredients:
what ia a mixture? an aggregate of two or more substances that are not chemically united and that exist in no fixed proportion to each other.
You have just won a block of pure 24-carat gold. Have you just procured an element, compound or mixture? element
*Water* is what all life in the world depends on. Is it an element, compound or mixture? compound
This gas is essential for us, and all other aerobic organisms, to survive. We inhale it along with the air we breathe (of which it forms approximately 21%) and it then helps in the oxidation of glucose in our bodies. element
The air we breathe - is it an element, compound or mixture? mixture because Air is a mixture of several gases, with each of them retaining their own properties. Here's a brief outline of the composition of the air we breathe: Nitrogen Oxygen Argon Carbon dioxide, methane, inert gases
the periodic table is divided into metals and non metals
In sweetened tea, the sugar is called a: solute
A mixture of dirt and water is an example of a heterogeneous mixture.
A homogeneous mixture can create a new substance. false
A pure substance that cannot be separated into simpler substances is called a(n) element
A pure substance that is composed of two or more elements that are chemically combined is a(n) compound
What makes an atom able to form a compound? unfilled outer electron shells
Aqua regia was a liquid used by alchemists to separate silver from gold. Was it an element, compound or mixture? mixture
Created by: Christina.riles