What are compounds?
Electron energy levels
Element groups
Types of bonds
Other
100
What is it called when atoms join to make new compounds, or when they break apart?
A chemical change
100
What is the charge of an atom that has the same number of protons as electrons?
zero
100
What is group 1 called?
Alkali metals
100
Which type of bond has ions?
Ionic
100
What is a solid with a very ordered pattern of atoms called?
A crystal
200
What has symbols to show which elements have comboned to form a particular compound?
A chemical formula
200
What is in most of the space in an atom?
Nothing (it's empty)
200
What is group 18 called?
Noble gases
200
Which type of bond has metal atoms that share their pooled electrons?
Metallic
200
Does water (H2O) have polar or non-polar bonds?
Polar
300
What is a compound?
Atoms of two or more elements joined together
300
What is "the area around the nucleus where electrons are" called?
The electron cloud
300
What is group 17 called?
Halogens
300
Which type of bond has atoms that share electrons?
Covalent
300
Does oxygen gas (O2) have a polar or non-polar bond?
Non-polar
400
What is iron oxide commonly called?
Rust
400
What is "an area in the electron cloud" called?
An energy level
400
Which group is the most stable?
Noble gases
400
Which type of bond has electrons that give/take electrons?
Ionic
400
What is it called when two pairs of electrons are shared in a covalent bond?
A double bond
500
What is sodium chloride commonly called?
Salt, table salt, or common salt
500
What is the maximum number of electrons in the first energy level?
2
500
Which group has 7 electrons in its outer energy level?
Halogens
500
Which type of bond has only non-metals in it?
Covalent
500
What is "the neutral particle that is formed when atoms share electrons" called?
A molecule
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