Vocabulary
Subatomic Particles
Atoms
Periodic Tables
Isotopes
100
the smallest particle of an element
What is atom
100
What 3 things are classified as subatomic particles?
What is protons, electrons, and neutrons
100
Believed that atoms were indivisible and indestrucible
What is Democritus
100
What is the period part of the periodic table?
What is each horizontal row
100
Isotopes have the same number of _____ but different numbers of _____
What is protons and neutrons
200
negatively charged subatomic particles
What is electrons
200
What are electrons?
What is negatively charged subatomic particles
200
All elements are composed of atoms. Atoms of the same element are identical. This belongs too..
What is Dalton's Atomic theory
200
What is the group or family of the periodic table?
What is each vertical column
200
Isotops have different _________ _________
What is mass numbers
300
Central core of the atom containing protons and neutrons
What is nucleus
300
what are protons?
What is positively charged subatomic particles
300
Define Atom
What is the smallest particle of an element
300
How do you determine the number of neutrons in an element?
What is mass number-atomic number= number of neutrons
300
Isotopes are _________ alike because they have the same number of protons and electrons
What is chemically.
400
The number of protons in a nucleus
What is atomic number
400
What are neutrons?
What is subatomic particles with no charge
400
Dalton turned Democritus' ideas into....
What is Scientific Theory
400
What is the most commonly used form of the modern periodic table?
What is the long form
400
In nature an element occurs as a mixture of ___________________ isotopes
What is two or more
500
Atoms with the same number of protons but a different number of neutrons
What is isotope
500
What are subatomic particles has a larger mass, protons or neutrons?
What is neither, they both have nearly the same mass
500
Atoms are tiny particles which can be viewed through a...
What is a microscope
500
What does the periodic table allow you to do?
What is easily compare the properties of one element to another element
500
Isotopes have a fixed _____
What is mass
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