Let's Talk About Vocab
The smallest particle that can still be considered an element is
What is an atom?
This particle is positively charged and located in the nucleus?
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?
This particle is located in the nucleus and has a neutral charge.
What is a neutron?
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
This particle is negatively charged and is located in a cloud surrounding the nucleus.
What is an electron?
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?
This is a positive region in the center of the atom containing both protons and neutrons?
What is the nucleus?
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?
This is the name of the diagram which shows the element symbol and dots that represent valence electrons
what is an electron dot diagram?
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?