WorksheetsChemistry I Honors Vocabulary: Semester 1 (and Unit 5 Part 1)
Total questions: 28
Worksheet time: 28mins
A physical combination of two or more substances that are NOT chemically bonded.
Compound
Mixture
Pure substance
Element
A calculated value that shows how far measured data is from the accepted data value.
Percent composition
Density
Percent error
Molar mass
A nuclear particle with no mass and a negative charge.
Proton
Neutron
Nuclide
Electron
Nuclear particle found in the nucleus that has no charge.
Proton
Neutron
Electron
Alpha particle
The nuclear particle that has a positive charge and contributes to the mass of the atom.
Proton
Neutron
Electron
Alpha Particle
The nuclear particle that defines the atom (tells you the identity).
Neutron
Proton
Electron
Nuclide
The mass of one mole of a substance.
Mass number
Density
Molar mass
Percent error
A mole is:
A furry animal
6.02 x 10^23 of something
An atom of an element
The number of atoms in a compound
A charged (positive or negative) atom.
Anion
Cation
Ion
Isotope
An atom that has a positive charge.
Anion
Ion
Cation
Mole
An atom with a negative charge.
Anion
Cation
Ion
Isotope
Electronegativity is a measure of...
What charge an atom forms
How well an atom attracts electrons
How much energy it takes to remove electrons from an atom
How many electrons an atom loses
The size of an atom from the center of the nucleus to the edge of the electron cloud.
atomic radius
electronegativity
charge
atomic #
A chemical formula is best described as...
The number of protons in a chemical compound
The size of a chemical compound
The elements (and the amount of each element) in a chemical compound
Density = mass/volume
Density is best described as...
A ratio of mass to volume of a substance
How much mass something has
How much space something takes up
The length of a substance
The electrons found in the outermost energy level of an atom are called:
p electrons
neutrons
protons
valence electrons
A compound made of both a metal and a nonmetal is called:
A covalent compound
An ionic compound
A metallic compound
A polar covalent compound
A compound made of two nonmetals is called:
A covalent compound
An ionic compound
A metallic compound
A super compound
A vertical column of the periodic table is called a:
Molar mass
Row
Period
Group
A horizontal row of the periodic table is called a:
Group
Period
Column
Molar mass
If I have 2 different isotopes of carbon, I have:
2 carbon atoms with a different number of protons
2 carbon atoms with a different number of neutrons
2 carbon atoms with a different number of electrons
2 carbon atoms with identical protons, neutrons, and electrons
Ionization energy is best described as:
The measure of how well an atom attracts electrons
The charge of an atom
How much energy is required to remove an electron from an atom
How many electrons an atom has
A substance consisting of water molecules chemically bonded to another chemical compound.
A hydrate
An ionic compound
A covalent compound
A metallic compound
The smallest unit of an ionic compound is called a:
mole
formula unit
cation
chemical bond
An ratio of two units used to convert from one unit to another is called:
Density
Molar Mass
Percent Error
A conversion factor
The smallest unit of a covalent compound that maintains its properties is called a(n):
Formula unit
Molecule
Atom
Proton
A bond is considered ____ when electrons are shared unequally.
Ionic
Nonpolar covalent
Polar covalent
Nonpolar ionic
The ______ formula shows the simplest ratio of elements within a compound while the _____ formula shows the true amount of each element in a compound.
Molecular, empirical
Empirical, molecular
Molecular, chemical
Chemical, Molecular
