Chapter 7: Elements, Compounds, Mixtures Flashcards
1
Q
Alchemists
A
An olden day chemist who mixed chemicals and tried to change metal in to gold.
2
Q
Investigation
A
An activity to find information
3
Q
Observation
A
Information obtained by the use of our senses or measuring instruments.
4
Q
Scientists
A
People skilled in or working in fields of science.
5
Q
Elements
A
A pure substance made up of only one type of atom.
6
Q
Atoms
A
A very small particle that makes up all things.
7
Q
Atomic number
A
The number of protons in the nucleus of an atom.
8
Q
Chemical Symbol
A
The standard way that scientists write the names of elements using either a capital or lowercase letter.
