Basic Chemistry Flashcards
1
Q
The basic building block of matter
A
Atom
2
Q
Tiny, negatively charged particles that orbit the nucleus
A
Electrons
3
Q
Positively charged particles inside the nucleus
A
Protons
4
Q
Particles inside the nucleus with no charge
A
Neutrons
5
Q
The dense center of an atom, made of protons and neutrons
A
Nucleus
6
Q
Scientist who created the periodic table
A
Dmitri Mendeleev
7
Q
This chart organizes the elements by atomic number
A
Periodic Table
8
Q
Electrons that are found in the outermost energy level a
A
Valence Electrons
9
Q
Rows in the periodic table
A
Periods
10
Q
Columns in the Periodic Table
A
Groups
11
Q
Can be calculated by adding together number of protons and neutrons.
A
Atomic Mass
