Ch 2 Sections 1-4 Flashcards
1
Q
Matter
A
Anything that takes up space and has mass
2
Q
Trace element
A
A substance required by humans in small quantities
3
Q
Element
A
A substance that cannot be chemically broken down into simpler substance
4
Q
Compound
A
Substance with two or more elements in a fixed ratio
5
Q
Look at study Guild 2
A
6
Q
Protons
A
Electrical Charge +
Location in an atom Center
7
Q
Neutrons
A
Electrical Charge Neutral
Location in an atom center
8
Q
Which of the following are atoms of an element that vary in the number of neutrons
A
Isotopes
9
Q
T or F: A radioactive isotope is unstable, and decays which means it gives off energy and particles. If false ya
A
True
10
Q
Look at study Guild 6
A
11
Q
Elections
A
Electrical Charge -
Location outside
