Atoms
Elements
Periodic Table Trends
Calculations
Vocabulary
100
Two or more elements chemically combined
What is a compound
100
The atomic number is the number of
What is protons
100
Horizontal rows are called
What is periods
100
An atom has 6 protons, 6 electrons, and 7 neutrons. What is the atomic number
What is 6
100
When a solid material stretches under tension into a wire.
What is ductility
200
A substance made up of one type of atom
What is an element
200
The number of protons is equal to what other subatomic particle
What is electrons
200
Vertical columns are called
What is Groups
200
At atom has 10 protons, 10 electrons, and 9 neutrons. What is the atomic weight?
What is 19
200
When a substance can be easily hammered.
What is malleablity
300
Where protons and neutrons are located
What is the nucleus
300
The __________identifies the element
What is atomic number
300
This characteristic of elements has a high luster, is malleable, and is a good conductor of electricity.
What is metals
300
An atom has an atomic number of 9. The atomic number is also the same as the number of neutrons. What is the atomic weight?
What is 18
300
Two or more substances that are not chemically combined Ex) Kool-Aid, Salt Water
What is a mixture
400
An _______is negatively charged and located _______
What is an electron and in energy levels/shells
400
Water is considered a _______
What is compound
400
These characteristics of elements can be shiny or dull; malleable or brittle, and are good semiconductors.
What are metalloids
400
An atom has 5 electrons, 5 neutrons, and 5 protons. The atomic weight is 10. What is the atomic number?
What is 5
400
The center part of an atom that is positively charged
What is nucleus
500
Protons,neutrons,and electrons are called
What is subatomic particles
500
Elements of Group 1 are known as
What is Alkali Metals
500
Group 18 is known as
What is Noble Gases
500
An atom has an atomic number of 7 and an atomic weight of 14. What is the number of neutrons?
What is 7
500
This subatomic particle has no charge
What is neutron
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