Chemistry21 cards

Tagged as: chemistry, criminal justic, law

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1

What is the definition of Energy?

the capacity of matter to do work

2

Wolfram (W)

Tungsten

3

4

Kalium (K)

Potassium

5

Natrium (Na)

Sodium

6

Aurum (Au)

Gold

7

The Law of Conservation of Mass states that...

no change is observed in the total mass of the substances involved in a chemical change.

8

Argentum (Ag)

Silver

9

Cuprum (Cu)

Copper

10

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12

13

Chemical

a substance used in or produced by a chemical process.

14

chemistry

a science that studies the composition of substances and the way they interact with other substances.

15

chemist

a scientist who studies the composition and changes of matter.

16

experiment

a procedure that test the validity of a hypothesis

17

hypothesis

an unverified explanation of a natural phenomenon

18

observation

information determined by noting and recording a natural phenomenon.

19

scientific method

the process of making observations, proposing a hypothesis, testing the hypothesis, and developing a theory that explains a natural event.

20

substance

a particular kind of matter that has the same composition and properties wherever it is found.

21

theory

an explanation of an observation that has been validated by experiments that support a hypothesis.