Which element on the periodic table has 12 protons, 12 neutrons, and 12 electrons?
Magnesium
Which 2 subatomic particles have approximately the same mass?
Protons & Neutrons
What is the name of the least reactive family on the periodic table?
Noble Gasses / Group 18 or 8A
What are the columns and rows called on the periodic table?
Columns - Groups
Rows - Periods
What subatomic particles contribute to the mass of an atom?
Protons and neutrons
Which element on the periodic table has atoms with 17 protons, 17 electrons, and 18 neutrons?
Chlorine
What subatomic particle is located outside the nucleus and has a negative charge?
Electrons
An atom of Beryllium is shown. Name one element that is chemically similar it.
Any element in group 2: Mg, Ca, Sr, Ba, Ra
Every element in the same group share the same what?
Valence Electron
What element is located in group 2 of period 4?
Calcium
Which element on the periodic table has 1 valence electron and 3 electron orbitals
Sodium
Draw a correct bohr model of a carbon atom.
Name the most reactive group(s)?
Why are they the most reactive?
Group 1A and 7A
because they want to be full and they match perfectly
Every element in the same period share the same what?
# of electron orbitals (shells, energy levels) or volume
What is the octet rule?
Valence electrons want to get to 8
Which element on the periodic table has 2 valence electrons and 2 electron rings?
Beryllium
What is the atomic mass of an atom with 13 protons, 14 neutrons, and 13 electrons?
27 amu
What element is most likely to bond with the atom above?
Any element in group 1:
H, Li, Na, K, Rb, Cs, Fr
Which group contains all gasses?
The noble gasses / Group 18 or 8A
What determines how reactive an element is?
Valence electrons
Which element on the periodic table is a highly reactive nonmetal that has 4 electron rings?
Bromine
What element is this?
Nitrogen
Arsenic:
Number of valence electrons?
Number of electron orbitals?
Reactivity level
Metal, non-metal, metalloid?
1) 5 valence
2) 4 orbitals
3) medium reactivity
4) metalloid
How many protons, neutrons, and electrons are in arsenic?
33 Protons
33 Electrons
42 Neutrons
How many valence electrons does Iodine have and who would be able to bond with it?
7 valence electrons and bonds with any element in group 1.