en CR Ionic Bonding by Grace Lee, Period 3 20 ion:an atom or bonded group of atoms with a positive or negative charge binarycompound:an ionic compound with only two different elements anion:an ion with a negative charge that forms when valence electrons are added to the outer energy level ionicbond:the electrostatic force that holds oppositely charged particles together in an ionic compound covalentbond:a chemical bond that results from the sharing of valence electrons latticeenergy:the energy required to separate one mole of the ions of an ionic compound, which is directly related to the size of the ions bonded and is also affected by the charge of the ions Coulombslaw:the fundamental law of electrostatics stating that the force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them polyatomicion:an ion made up of two or more atoms bonded together that acts as a single unit with a net charge stableoctet:an atom reaches this when it has eight electrons in its valence shell atomicmass:the weighted average mass of the isotopes of that element empiricalformula:a formula that shows the smallest whole-number mole ratio of the elements of a compound hydrate:a compound that has a specific number of water molecules bound to its atoms electronegativity:indicates the relative ability of an element's atoms to attract electrons in a chemical bond electrolyte:an ionic compound whose aqueous solution conducts an electric current octetrule:states that atoms lose, gain, or share electrons in order to acquire a full set of eight valence electrons metallicbond:the attraction of metallic cation for delocalized electrons chemicalbond:the force that holds two atoms together molarmass:the mass in grams of one mole of any pure substance ternarycompound:a compound composed of three different elements cation:an ion with a positive charge that forms when valence electrons are removed electrostaticattraction:attraction of two atoms of opposite charges

Ionic Bonding by Grace Lee, Period 3

						1					2
3
	4								5
			6	C									7

	8				R									9
											10
									R
11							12
	L

					13									N
			14
					15					N



R
		16

		17	T									18

			19					I


					20								E

Across:

1.	the fundamental law of electrostatics stating that the force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them
6.	states that atoms lose, gain, or share electrons in order to acquire a full set of eight valence electrons
8.	the mass in grams of one mole of any pure substance
10.	an ion with a positive charge that forms when valence electrons are removed
11.	an atom reaches this when it has eight electrons in its valence shell
14.	an atom or bonded group of atoms with a positive or negative charge
15.	the electrostatic force that holds oppositely charged particles together in an ionic compound
16.	an ion made up of two or more atoms bonded together that acts as a single unit with a net charge
17.	the weighted average mass of the isotopes of that element
19.	the attraction of metallic cation for delocalized electrons
20.	an ionic compound whose aqueous solution conducts an electric current

Down:

2.	an ionic compound with only two different elements
3.	attraction of two atoms of opposite charges
4.	the force that holds two atoms together
5.	a compound composed of three different elements
7.	the energy required to separate one mole of the ions of an ionic compound, which is directly related to the size of the ions bonded and is also affected by the charge of the ions
9.	a chemical bond that results from the sharing of valence electrons
12.	a formula that shows the smallest whole-number mole ratio of the elements of a compound
13.	an ion with a negative charge that forms when valence electrons are added to the outer energy level
18.	a compound that has a specific number of water molecules bound to its atoms

Ionic Bonding by Grace Lee, Period 3

Across:

1.	the fundamental law of electrostatics stating that the force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them
6.	states that atoms lose, gain, or share electrons in order to acquire a full set of eight valence electrons
8.	the mass in grams of one mole of any pure substance
10.	an ion with a positive charge that forms when valence electrons are removed
11.	an atom reaches this when it has eight electrons in its valence shell
14.	an atom or bonded group of atoms with a positive or negative charge
15.	the electrostatic force that holds oppositely charged particles together in an ionic compound
16.	an ion made up of two or more atoms bonded together that acts as a single unit with a net charge
17.	the weighted average mass of the isotopes of that element
19.	the attraction of metallic cation for delocalized electrons
20.	an ionic compound whose aqueous solution conducts an electric current

Down:

2.	an ionic compound with only two different elements
3.	attraction of two atoms of opposite charges
4.	the force that holds two atoms together
5.	a compound composed of three different elements
7.	the energy required to separate one mole of the ions of an ionic compound, which is directly related to the size of the ions bonded and is also affected by the charge of the ions
9.	a chemical bond that results from the sharing of valence electrons
12.	a formula that shows the smallest whole-number mole ratio of the elements of a compound
13.	an ion with a negative charge that forms when valence electrons are added to the outer energy level
18.	a compound that has a specific number of water molecules bound to its atoms