The elements in Group 18 called ?
What are the Noble Gases?
The number of protons in Magnesium.
What is 12?
The chemical symbol for Iron
What is Fe?
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons?
The number you use to find the number of protons.
What is the atomic number?
On the periodic, the majority of elements are which classification?
What are metals?
The 25th element called
What is Manganese or Mn?
In a chemical reaction these are made.
What are new substances?
The number of periods shown on the periodic table.
What is 7?
The atomic number of neon (Ne) is
What is 10?
Elements in the same group have this in common?
What are the properties?
Elements in blue on the periodic table are in this phase.
What is liquid?
When moving from left to right across the periodic table, this increases.
What is Atomic Number?
This element is in the metal area of the periodic table; but is a non-metal.
What is Hydrogen?
The number of neutrons in Fluorine-19.
What is 10?
Every element in the same group or family has the same number of this?
What are valence electrons?
Neutral Carbon has this many electrons
What is 6?
An element with an atomic number of 23 has this many electrons.
What is 23?
This shows what happens to chemical when they react.
What is chemical equation?
Boron, Silicon, Arsenic, and Antimony are classified as these types of elements?
What are metaliods?
What are combined to make the mass number?
What are protons and neutrons?
A phenomenon where atoms break apart because the nucleus is unstable
What is radioactivity?
In which type of bond are the electrons being shared?
What is a convalent bond?
The element with atomic number 82?
What is lead?