The subatomic particle that has a positive charge
What is a proton
What is valence electrons
This is the way groups run on the periodic table
What is vertical or up and down
This type of reaction creates a new substance
What is a chemical reaction
The number of elements in the following compound: CaCO3
What is 3
The subatomic particle with almost no mass
This is the rule for how many electrons each shell can hold
What is the 2-8-8 rule
This is the side of the periodic table that the nonmetals are on
What is the right side
The big number in front of a chemical formula
What is the coefficient
Using APEMAN, find the number of neutons in Fluorine
What is 10 neutrons
If an element has 40 protons and 41 neutrons then it has ___ electrons
What is 40 electrons
This group on the periodic table is the least reactive
What is group 18/the noble gases
The group number tells you this about an element in that group
What is the number of valence electrons
What is 2
Name three properties of metals
shiny/lustrous, malleable, ductile, left side of the PT, conductors,
These two subatomic particles are located in the nucleus of an atom
What are the protons and neutrons
What is group 1A and 7A (or 17)
This element has 4 energy levels and 7 valence electrons
What is Bromine
Define a precipitate
What is when two liquids are mixed and a solid substance forms
Define what each letter in APE MAN stands for and the symbols in between
Atomic number = protons= electrons
mass-atomic number= neutrons
An atom has 11 protons, 12 neutrons, and 11 electrons. What is the charge of the atom’s nucleus?
What is +11
Name three other elements that would react similarly to Hydrogen
Lithium, Sodium, Potassium, Rubidium, Cesium, Francium
Name five metalloids on the periodic table (give their symbol)
What is B, Si, As, Te, At, Ge, Sb, Po
Name five of the six signs of a chemical reaction
What is 1g/ml