Chap 2 Section 1 Flashcards
0
Q
Mass
A
The quantity of matter an object has.
1
Q
Matter
A
Anything that occupies space and has mass
2
Q
Weight
A
The force produced by gravity acting on mass.
3
Q
Elements
A
Substances that cannot be broken down chemically into simpler kinds of matter.
4
Q
90% of the mass of all kinds of living things is composed of combinations of what 4 elements?
A
Oxygen, carbon, hydrogen, and nitrogen.
5
Q
Chemical symbol…
A
Either 1,2, or 3 letters second thing from the top of the periodic square thing. Ex. Helium 2 He (chemical symbol) Helium 4
6
Q
Atom
A
The simplest particle of an element that retains all of the properties of that element.
