Elements Flashcards
1
Q
What is a element
A
Substance only made out of one matter
2
Q
What is a compound
A
Pure substance that can’t be broken down
3
Q
What is a mixture
A
Pure substance composed of at least 2 elements
4
Q
What is a physical change
A
No new substance is made, easy to change back most of the time
5
Q
What is chemical change
A
New colour, heat, harder to go back
6
Q
What kind of charge do electrons have
A
Negative
7
Q
Charge of protons
A
Positive
8
Q
Neutrons
A
No charge
9
Q
Do electrons equal the same of protons
A
Yes
10
Q
Where do electrons go
A
To the shells
11
Q
How many atoms do elements have
A
1
12
Q
does all mater have elements
A
Yes
13
Q
Where are all elements listed
A
Periodic table
14
Q
What’s the atomic number
A
Amount of protons in nucleus
15
Q
What’s a ion charge
A
It’s a electric charge that forms a atom when it gains or loses electrons
