Vocabulary
an event that alters the form or size of matter but does not change the type of matter
physical change
Neutrons = Atomic Mass - Atomic Number (or # of protons)
Permanent marker is soluble in what liquid
rubbing alcohol
combustibility
two sub-particles found in the nucleus of an atom
protons and neutrons
DAILY DOUBLE
the force of attraction that holds atoms together within a molecule
chemical bond
Most reactive metals
alkali metal family
salad is an example of what?
mixture
breaking Van Der Waal forces are an example of what kind of change
physical
the charge of an electron
negative charge
a type of mixture of two or more substances that are evenly distributed
solution
Name the element with the symbol Ni
Nickel
able to be dissolved in a solvent
sugar dissolving in water
chemical or physical?
physical change
DAILY DOUBLE!
Electrons in the outer shell of an atom are called what?
valence electrons
unable to be dissolved in a given solvent
insoluble
Atomic number = ?
Number of protons
name the gas that is produced when sodium bicarbonate mixes with water
carbon dioxide
an apple turning brown is an example of what
chemical change
center of an atom
the nucleus
an event that rearranges chemical bonds and forms one or more new substances with different properties
chemical change
This family is very stable and not reactive
Noble Gases
Finish the lines of this song:
Together they make gases, and _______ ______ _______, and all the solid masses, The Atoms Family!
liquids like molasses
Name the two elements that makeup table salt
Sodium and Chlorine
two different elements joined together
compound