Subatomic Particles
The element
19
F
9
has a mass number of?
19
____________ are the smallest building block of matter.
Atoms
The element with the chemical symbol of C is:
Carbon
The electron configuration for Lithium is:
2,1
This name is given to the horizontal rows of a periodic table.
Periods
The atomic number of an element tells us the number of this subatomic particle in an element.
Protons
_________________ are substances that are made of one type of atom.
Elements
The element with the symbol of He is:
Helium
The electron configuration of Boron is:
2,3
What is the name given to elements in Group 1 of the periodic table?
Alkali Metals
Electrons are found in this location of an atom.
Electron shells
_____________________ are substances made of more than one type of atom.
Compounds
The chemical symbol for Chlorine is:
Cl
The element with an electron configuration of 2,8 is:
Neon
What is the name given to elements in Group 18 of the periodic table?
Noble Gases
The nucleus of an atom contains the two subatomic particles: _______________ and ______________
Protons and neutrons
_____________ are the physical combination of two or more elements or compounds.
Mixtures
The chemical symbol for Nitrogen is:
N
The element with an electron configuration of 2,8,2 is:
Magnesium
What is the name given to elements in Group 17 of the periodic table?
Halogens
Mass number - Atomic Number
________________ are grid-like structures formed by compounds.
The chemical symbol for Copper is:
Cu
The electron configuration of Calcium is:
2,8,8,2
An element with the electronic configuration of 2,8,6 will be in this period of the periodic table.
Period 3