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Atoms
States of Matter
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Periodic
Acidic Solution
100
Most of the mass of an atom is located in this area
What is the nucleus
100
The Scientific unit of pressure is known as this
What is the Pascal
100
This is the purpose of an experiment
What is to test a hypothesis
100
On the modern periodic table, elements are arranged in order of this number
What is atomic number
100
When talking about reaction rates, an increase in temperature will do this to the reaction rate.
What is increase
200
The part of an atom with a negative charge is known as this
What is an electron
200
What state of matter do objects NOT take the shape of their containers
What is a solid
200
Of the following branches of science, which is NOT a branch of natural science: Social Science Earth Science Physical Science
What is Social Science
200
The periodic table we still use today that is arranged in order by an elements' mass was created by this man.
Who is Mendeleev
200
The type of reaction that ALWAYS releases energy is known as this type of reaction
What is exothermic
300
Atoms of the same element have this the same as well
What is atomic number
300
If the speed of an object increases, the kinetic energy is said to do this
What is increase
300
The application of knowledge to solve practical problems is known as this
What is Technology
300
This missing element filled in the gap left by Mendeleev and helped support his periodic table.
What is Gallium
300
There are two parts to a solution, name them
What are solute and solvent
400
This is the part of the atom that is the least massive (smallest)
What is the electron
400
It is in this state of matter that something has a variable shape and definite volume
What is a liquid
400
Wood is said to be a poor ______ of heat.
What is conductor
400
Period tables have this number of periods on them
What is 7
400
Sugar dissolves in water through this process that disperses the sugar throughout the entire solution.
What is dispersion
500
The first man to state that matter is made up of atoms was this man
Who is Democritus
500
To decrease the pressure of a contained gas, this would need to increase
What is volume
500
The opposite of condensation is a process known as this
What is vaporization
500
If an element is shiny and seems to conduct electric current, it is most likely this type of element.
What is a metal
500
The reaction between an acid and a base is known as this process.
What is neutralization