matterbaby
All matter is made up of this.
Atoms.
The different elements are defined by this.
# of protons.
carbon has this many valence electrons
4
a strong attraction between two atoms is called a ___.
chemical bond.
The atom is made up of protons, neutrons and electrons, which are called the three _____.
horizontal rows of the periodic table are called_____.
periods.
the model that we use to represent the electrons of an atom is called _____.
bohr model
Cl and N would form this type of bond.
Covalent
This/these subatomic particle(s) are found in the nucleus of an atom.
Proton and neutron.
This element is in group 2, period 4
you can tell how many electron rings an atom will have based on the element's _____ on the periodic table.
period
This type of compound is typically a solid at room temperature
ionic
The atomic mass for an element is measured using all of the subatomic particles except for _____.
Electrons.
anything to the right of the bold line on the periodic table is a _______.
nonmetal
valence electrons.
How many of each element are in the following chemical formula? 3C5H3O
15C, 6H, 1O
Atomic mass is measured using this unit.
Atomic mass unit (AMU)
average atomic mass
Phosphorus has this many electrons and this many valence electrons
15 E, 5 VE
some covalent compounds have an uneven spread of electrons, leading to a slight charge on opposite ends of the molecule. These are _____ compounds.
polar