The smallest particle that can still be considered an element is
What is an atom?
Name the each of the particles and their charges of an atom.
proton; +
Neutron; neutral
Electron; -
This is the formula for density
True or false, protons = electrons
The state of matter in which the substance has a definite shape and a definite volume
What is a solid?
This is calculated by finding the protons + neutrons
What is mass number?
The Image shown indicates the atom of the element:
What is Beryllium.
If an object is less dense than the liquid it is placed in, it will (sink or float)?
On the periodic table, columns are called what?
what is a group?
this is the inward force or pull among molecules in a liquid that bring the molecules on the surface closer together.
What is surface tension?
This represents the number of protons in the nucleus of an atom
An atom has 15 protons, 16 neutrons, and 15 electrons. The atom described is:
What is Phosphorus.
if an object is more dense than the object it is placed in, it will (sink or float)
what is float?
on the periodic table, rows are called what?
What is a period?
What is a Chemical Change?
This is the measure of the force of gravity on an object
What is weight?
The Following Model (s) show compounds:
What is Model 1.
Ms. Craig's morning coffee has a mass of 15 grams and a volume of 30 mL, what is the density of her coffee?
What is 0.5 g/mL?
Another term for the ability to burn is called ___________
What is flammability?
An atom with the same number of protons but a different number of neutrons is called this
what is an isotope?
what is 8 protons, neutrons, and electrons.
Nba Youngboy's CD has a mass of 20 grams and its volume is 10 mL, what is the density of the CD.
what is 2 g/mL?
Group number 2 has how many valence electrons?
What is 2?
This is the change from a gas to a solid.
What is sublimation?