Atoms 1
Atoms 2
Atoms 3
Atoms 4
Atoms 5
100
What's in the center of an atom
Nucleus
100
What are valence electrons
Electrons in the outermost shell
100
Atoms have the same element that have different numbers of neutrons?
isotopes
100
What are valence electrons
Electrons in the outermost shell
100
Define atom
smallest particle of a substance.
200
What particles surround the nucleus
Electrons
200
What is atomic weight
Number of protons and neutrons
200
Elements that are neither metals or gasses
Metalloids
200
What is atomic weight
Number of protons and neutrons
200
What happens when two like charges (Two protons or two neutrons) are placed close to each other?
They get repelled
300
What do electrons do in the atom
orbit
300
What is the element symbol
abbreviation for the element
300
Has the symbol Na
Sodium
300
What is the element symbol
abbreviation for the element
300
What happens when two opposite charges (One proton and one neutron) are placed close to each other?
They get attracted
400
What are the two main types of atom models
Bohr and Lewis dot structure
400
What are the 3 parts of an atom
Protons, electrons, and neutrons
400
Has the symbol Ne
Neon
400
What are the 3 parts of an atom
Protons, electrons, and neutrons
400
What are the different types of chemical bonds?
Chemical bonds are of three types: Covalent bond Ionic bond Metallic bond
500
How many electrons can go in the 4th shell?
32
500
Name of elements that are grouped horizontally
Period
500
Has the symbol Al
Aluminum
500
Name of elements that are grouped horizontally
Period
500
Define ionic bond.
type of chemical bond, which occurs between two ions due to electrostatic force of attraction between the two ions.
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