Atoms
Particles found in the nucleus of an atom
what is a proton and neutron?
Same number of Protons different number of neutrons
What is an Isotope?
trying to be stable like the closest noble gas
Why do elements becomes ions?
Formed through the transfer of electrons
What is an ionic compound?
compounds and elements
What is a pure substance?
An element with 11 electrons in its ground state
What is Sodium?
DAILY DOUBLE
Does not change in an isotope
What is the atomic number/number of protons?
Gains 3 electrons and becomes: 1S22S22P6
Who is N3-
A soft compound composed of nonmetals
What is a covalent compound?
Separation technique used to separate soluble solid and a liquid
What is evaporation?
He discovered the electron
Who was JJ Thomson?
An Isotope that contains 6 protons and 8 neutrons
What is Carbon-14?
An element in period 3 that loses two electrons
What is Mg?
Contains a mobile sea of electrons
what is a metallic bond?
Used to find the volume of an irregularly shaped object
What is water displacement?
He discovered the atom is mostly empty space
Who was Rutherford?
This is the average of all naturally occurring isotopes
What is average atomic mass?
An element that has 13 protons and 10 electrons
What is Al3+?
These substances conduct electricity
What are metals and ionic compounds that dissolve in water?
DAILY DOUBLE
Separation technique used to separate elements from a compound
What is electrolysis/electroplating?
Are considered electrically neutral
What is an atom/what is an element with the same amount of protons and neutrons?
This isotope of Boron exists more in nature
Boron 11 because it is closer to 10.81
Elements in the same group act similarly because they have the same number of...
What are valence electrons?
contains ionic and covalent bonds
what is an ionic compound that contains a polyatomic ion?
This property doesn't change even if the size of the substances changes (i.e. density)
What is an intensive property