Atomic Structure
Tiny particles that make up all matter.
What are atoms?
The number of protons is represented by this
What is the atomic number?
Columns on a periodic table
What are groups?
When two or more atoms share electrons from the outer shell.
What is a covalent bond?
The three classes of elements are these.
What are metals, metalloids, and nonmetals?
The location of protons and neutrons.
What is the nucleus?
Group 18 on the periodic table are also known as these.
What are the noble gases?
Rows on the periodic table
What are periods?
When one atom "steals" an electron from another atom creating one positive atom and one negative atom that are attracted to each other.
What is an ionic bond?
What element do all living creatures contain?
What are oxygen, carbon, hydrogen, nitrogen?
The electrons in the outer energy level
What are valence electrons?
How many electrons are in the atom Na+1 (Atomic #11)
What is 10?
This person is credited with creating the periodic table.
Dmitri Mendeleev
Atoms with the same number of protons but different number of neutrons are these
What are isotopes?
Three characteristics of metals.
What are good conductors of electricity, malleable, ductile?
The unit used to measure the weight or mass of an atom.
What is AMU (Atomic Mass Unit)
Most reactive group/family on the periodic table.
What is group 1 (alkali metals)
This class on the periodic table includes Boron and Silicon
What are metalloids?
The number of protons, neutrons and electrons in this atom: 14C-2
Protons 6, Neutrons 8, Electrons 8
This element is the most abundant in Earth's atmosphere
What is Nitrogen?
The maximum number of electrons the first 4 orbitals (shells) can hold. (in the first 20 elements)
What is 2, 8, 8, 2?
Every element in the carbon group has _____ valence electrons.
Na is a very reactive element in Period 3, another element in Period 2 that is considered creative also...
What is Lithium (or maybe Beryllium)?
The symbol form for an atom with 12 protons, 14 neutrons, and 11 electrons.
26Mg+
All metals are solids at room temperature except for...