Topic 7: Chemistry Flashcards
(10 cards)
1
Q
What is an Alchemist?
A
An olden day chemist that tried to make metal into gold
2
Q
What an Investigation?
A
An activity to find information
3
Q
What is an Observation?
A
Something that you see
4
Q
What is a Scientist?
A
Someone who works to make new discoveries in science
5
Q
What is an Element?
A
Pure substance that has only one type of cell
6
Q
What are Atoms?
A
A very small particle that makes up everything except energy
7
Q
What is an Atomic Number?
A
The number of protons in the nucleus of an atom
8
Q
What is a Chemical Symbol?
A
The standard way scientists can write an element
Eg O = Oxygen
9
Q
What is a Compound?
A
A substance made of two or more different atoms that are tightly bonded
10
Q
What is a Mixture?
A
Two or more different atoms that aren’t tightly bonded
