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Chemistry

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Kelton Conroy

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Cards in this guide (16)
What is sampling error

What is sampling error?

Independent and dependent variable

a dependant variable is a variable which is dependant on the results

Molecule and atom how they are alike

A molecule is made up of atoms. molecule has three atom

What is meant by the term essential nutrients

Essential nutrients are needed for an organism to survive. Each organism has their own essential nutrients.

Organic molecules usually contain

Organic molecules most commonly contain the element carbon. Some examples of organic substances are methane, keytones, xylene, alcohol, and urea.

What do you call the transformation of solid to liquid

That transformation is called melting, when done by heat, or dissolving, when done by a solvent.

What are the three important elements of chemical elements

Two important chemical elements are carbon and hydrogen.

Carbon is essential for life, it is an immensely important chemical element for life to occur. Hydrogen is the "simplest" chemical element because of its lack of neutrons, and it is the first chemical burnt for stars (which creates chemical elements when dieing.) Although I do not know a third I do know hydrogen and helium are the two most abundant chemical elements in the universe.

What is the definition for a independant variable

The variable that does not change.

What are disadvantages of Randomized controlled trials

no comments

Is convenience sampling method not a random sampling

You are correct; convenience sampling is not random sampling.

Is A polar molecule an ion

No a molecule is a molecule, polar or nonpolar.

Module question papers for on line exam for LIC agent download

yes

Where does the protein denaturation reacts in the digestive system

no

What is the role of a chemical bond in a energy transfers

Chemical bonds attract energy

What is an experiment which uses humans to test medicines

Double blind expiriment

What is the difference between a elements and a compounds

Compounds are formed from chemical elements.

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