What are the electrons in the outermost energy level of an atom called?
Valence Electrons
100
How do Ionic bonds form?
Ionic bonds form when electrons are transferred from one atom to another atom
100
When does a covalent bond form?
A covalent bond forms when atoms share one or more pairs of electrons.
100
What is a metallic bond?
A metallic bond is a bond formed by the attraction between positively charged metal ions and the electrons around them.
100
What is an Ionic bond?
A bond that formed between positively and negatively charged atoms
200
What is chemical bonding?
Chemical bonding is the joining of atoms to form new substances.
200
What is an ion?
A charged particle that forms when an atom or group of atoms gains or loses one or more electrons
200
What is a molecule?
A group of atoms that are held together by chemical forces; a molecule is the smallest unit of matter that can exist by itself and retain all of a substance's chemical properties.
200
What are the properties of metals?
Electrical conductivity, malleability, and ductility.
200
WHAT IS AN EXAMPLE OF A COVALENT BOND?
Water
300
What is the interaction that holds atoms or ions together called?
Chemical bond
300
How is a negative ion formed?
When atoms gain an electron it becomes a negative ion.
300
True or False? Molecules are composed of at least five covalently bonded atoms.
False. Two
300
Why can metal be reshaped without breaking?
Metal can be reshaped without breaking because metallic bonds occur in many directions.
300
What is polyatomic?
Contains 3 or more atoms
400
How many valence electrons does sulfur have?
6
400
Define crystal lattice.
The regular pattern in which a crystal is arranged
400
If a molecule is made up of two atoms, what is this molecule called?
Diatomic Molecule
400
What is the property of ductility?
The ability to be formed into wires
400
How do you make an atom positive?
Lose electrons
500
True or False? Atoms in the Noble Gases group usually do not form bonds.
True.
500
What are the properties of Ionic compounds?
Brittle solids at room temperature.
Highly soluble in water.
500
Is Hydrogen a diatomic element?
Yes
500
True or False? In Metallic bonding, the valence electrons stay in one place throughout the metal