List the properties of a gas
1) particle speed
2) particle spacing
1) fastest speed
2) spread far apart
The original model of the atom
the solid sphere model
the _______ ________ on the periodic table tells you how many protons each atom has.
Atomic Number
A chain rusting is an example of a _________
chemical change
# 1 artist on spotify (as of 2022 data)
Bad Bunny
1) solid
2) gas
3) liquid
Electrons are found _______ in the atom
outside the nucleus
on the orbitals
Calculated as the protons + neutrons in an element
Atomic Mass
A type of chemical reaction that releases energy (heat)
Exothermic reaction
The 4th planet from the sun
Mars
When liquid becomes a gas
evaporation
List ALL that is found inside the nucleus of the atom
protons
neutrons
Horizontal Rows on the periodic table are called _______
Groups
Periods
Ionic bonds ___________ electrons from one atom to the other
When something has a pH > 7 it is a _______
base
Density of a gold bar that has a mass of 90 grams and a volume of 30 cm3
density = 30 g/cm3
Positively charged subatomic particle
Negatively charged subatomic particle
Neutral subatomic particle
proton
electron
neutron
Where are nonmetals found (all of them)
right of the staircase except for hydrogen which is found on the top left
A bond between a non-metal and metalloid
Covalent Bond
How old am I?
29
When gas becomes a liquid
condensening
A scientific term that explains WHY something happens
Theory
Element K is a ____________
element C is a _______________
Element B is a _____________
metal
nonmetal
metalloid
Explain the law of conservation of mass
The capital of Pennsylvania
Harrisburg