Atoms
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?
same mass different number of electrons
What is an Ion?
formed through the transfer of electrons
What is an ionic compound?
anything that has mass and takes up space
What is Matter
An element with 11 electrons
What is Sodium
Does not change in an isotope
What is the atomic number/number of protons?
They are trying to be stable like the closest noble gas
Why do elements become ions?
DAILY DOUBLE
a soft compound that shares electrons and composed of nonmetals
What is a covalent compound?
separates a solid and a liquid
What is filtration?
Discovered the electron
Who was JJ Thomson?
DAILY DOUBLE!!!!!
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 irregular shaped object
Daily Double
What is water displacement?
Are considered electrically neutral
what is an atom/what is an element with the same amount of protons and electrons?
is a sum of all naturally occurring isotopes
What is atomic mass?
An element that has 13 protons and 10 electrons
What is Al3+?
What kind of compounds conduct electricity?
used to separate two liquids based on boiling point
What is distillation?
discovered the atom is mostly empty space
Who was Rutherford?
Boron 11 because it is closer to 10.81
Which Isotope of Boron exists more in nature?
Because they have the same amount of valence electrons
Why do elements in the same group act similarly?
movable ions/electrons
What causes a substance to conduct electricity?
doesn't change even if the size of the substances changes
What is an intensive property