Chemistry 1
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?
The bond between carbon and oxygen is called what?
What is a covalent bond?
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?
On the periodic table the second group is called?
What are alkaline metals?
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?
The elements on the periodic table that are man-made are called this.
What are rare earth elements?
Elements in blue on the periodic table are in this phase.
What is liquid?
Type of reaction that takes in heat.
What is endothermic?
The nucleus is made of these subatomic particles.
What are protons and neutrons?
The element with the atomic mass 80.
What is Bromine?
The charge of an electron is this.
What is a negative charge?
Reactions that give off heat.
What is exothermic?
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?
The charge on a neutron is this.
What is neutral?
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?
Uranium can be used to make.
What is electricity?
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?
These elements are happy and have 8 valence electrons.
What are noble gasses?
The element with atomic number 82?
What is lead?