Shared Flashcard Set

Details

Title

BIO 10

Description

Exam 1

Total Cards

Subject

Biology

Level

Undergraduate 2

Created

02/27/2013

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Additional Biology Flashcards

Term

An atom’s mass number is

Definition

# of protons & nuetrons

Term

An element has………..
Atomic mass = 9
Atomic Number = 4

Netrons?

protons?

electrons?

Definition

It has ____5___ neutrons.
It has ____4___ protons.
It has ____4___ electrons.

Term

what 4 elements makeup 96% of everything?

Definition

C.H.O.N

Carbon, Hydrogen, Oxygen, Nitrogen

Term

A chemical reaction Occurs when...

Definition

Chemical components of matter changes