Closed Note Final Flashcards
What is the SI Unit for mass?
Kilogram (kg)
What is the SI Unit for time?
Second (s)
What is the SI Unit for temperature?
Kelvin (K)
What is the SI Unit for length?
Meter (m)
What is the SI Unit for amount of a substance?
Mole (mol)
What did Dalton do to improve the model of the atom?
He determined that atoms are real.
What did Thompson do to improve the model of the atom?
He created the plum pudding model that showed the existence of electrons.
What did Rutherford do to improve the model of the atom?
He did the gold foil experiment that showed that the nucleus exists.
What did Bohr do to improve the model of the atom?
He created the quantum model that shows the different energy levels that electrons could have.
Where is the proton?
In the nucleus
What is the proton’s charge?
Positive
Where is the electron?
Outside of the nucleus
What is the electron’s charge?
Negative
Where is the neutron?
In the nucleus
What is the neutron’s charge?
Neutral
As you go across a period (left to right) does atomic radius increase or decrease?
Decrease
As you go across a period (left to right) does ionization energy increase or decrease?
Increase
As you go across a period (left to right) does electronegativity increase or decrease?
Increase
As you go down a group does atomic radius increase or decrease?
Increase
As you go down a group does ionization energy increase or decrease?
Decrease
As you go down a group does electronegativity increase or decrease?
Decrease
What is an ionic bond?
A bond between a metal and a non-metal
What is a covalent bond?
A bond between two non-metals
What is the function of a pair of googles in a lab?
Its function is to protect the eyeballs
What is the fuction of a pair of safety gloves in a lab?
Its function is to keep hands safe from chemicals
What is the fuction of a pair of thermal gloves in a lab?
Its function is to keep hands safe from heat
What is the function of a beaker in a lab?
Its function is to measure the volume of a liquid
What is the function of an erlenmeyer flask in a lab?
Its function is to store/heat liquids
What is the function of a volumetric flask in a lab?
Its function is to measure one precise volume
What is the function of a spatula in a lab?
Its function is to scoop up substances
What is the function of the graduated cylinder in a lab?
Its function is to measure the volume of liquids
What is the function of a balance in the lab?
Its function is to measure the mass of lab samples
What is the charge and structure of nitrate?
(NO3)-
What is the charge and structure of sulfate?
(SO4)2-
What is the charge and structure of phosphate?
(PO4)3-
What is the charge and structure of hydroxide?
(OH)-
What is the charge and structure of ammonium?
(NH4)+
What is the charge and structure of carbonate?
(CO3)2-
What is the difference between a polyatomic and a monoatomic ion?
Monoatomic ions are made up of only one atom and polyatomic ions are made of more than one atom.