Chemistry Vocabulary Quarter 1 Crossword

Basic unit of a chemical matter
Positive electric charge
Same mass as a proton but no electric charge
Negative electric charge
Positive charge center of an atom
Number of electrons in the most outer shell
Includes electronegativity, ionization energy, and atomic radius
Chemical element measure based on size of atom
Energy required to remove an electron
Energy to gain an electron
When one atom gives up one or more electrons to another atom
Sharing of electron pairs between atoms
Composed of atoms that have the same atomic number
Substance formed when two or more chemical elements are chemically bonded together
Consisting of two atoms
An electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
Positive charged ion
Negativity charged ion
Equal numbers of protons but different number of neutrons
The number of protons in the nucleus of an atom
Total number of protons and neutrons
An element is the sum of the masses of its isotopes, each multiplied by its natural abundance
Distribution of electrons of an atom or molecule in atomic or molecular orbitals
Shows the bonding between atoms of molecules and their lone pairs
Pair of electrons are unequally shared between two atoms
Two atoms share a pair of electrons with each other
Electronegativities based on bond-energy calculations for different elements joined by covalent bonds
Table of the chemical elements arranged in order of atomic number
They cannot gain anymore electrons
They only need 1 more electron to become full
They are the metals found in Group 1
Metals found in Group 2
Chemical element that is an effective conductor of electricity and heat
Chemical element that lacks the characteristics of a metal and that is able to form anions, acidic oxides, acids, and stable compounds with hydrogen
Element whose properties are intermediate between those of metals and solid nonmetals