Chapter 2.2 Flashcards
What are the three subatomic particles? (NPE)
Neutrons
Protons +
Electrons -
The center of an atom is called a __________? (N)
Nucleus
Reference to Atom
Outside of the nucleus, we find one or more _________ (E)
Electrons
The Atomic Number of an Element is the number of _________ ? (P)
Protons
Carbon has 6 protons
The total number of neutrons and protons is called the ____________? (MN)
Mass Number
The forms of an element having the same atomic number but different mass number is called __________
Isotops
Carbon-12 (6 protons + 6 protons)
Carbon-13 (6 protons + 7 neutrons)
A combination of two or more atoms of the same or different elements held together by forces known as ____________ (CB)
Chemical Bonds
two or more atoms of the same or different element is a __________ (M)
Molecule
Electrical charges resulting from the loss or gain of negatively charged electrons is a _________? (I)
Ion
Measure of hydrogen ions (H+) and hydroxide ions (OH-) is called the __________ (AWS)?
Acidity in a water solution
A neutral acidic solution is a _______ pH?
7
An acidic solution has a pH less than ________?
7
A basic solution has more hydroxide ions than hydrogen is greater than ________ pH
7
Anything that has mass and takes up space is called ___________ (M)?
Matter
solid, liquid, and gas is called _________? (M)
Mass
