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Physical Change
Periodic Table
Clarification
Atom Refresher
More
100
Is sugar dissolving in water physical change?
yes
100
What is the first group called on the periodic table?
Alkali Metals.
100
What does molecules mean?
Is formed when two or molecules join together chemically.
100
What is a proton?
Has postive charges.
100
What is element?
It is the building blocks of all mater.
200
What is one sign of physical change?
-Change in texture. -Change in shape. -Change in state (melting, freezing and etc). -Change in color. -Change in temperature.
200
What is the groups in the middle called?
Transition metals.
200
What does atom mean?
Is the smallest particle of an element, the most basic particle.
200
What is a neutron?
Has no charges.
200
Is protons equal to electrons, if not what is protons equal to?
They are equal.
300
What is a physical change?
It is when something changes by how it looks (etc) but when it changes but its still the same substance.
300
Who made the periodic table?
Dimitri Mendeleev.
300
What does element mean?
Is a substance that is made entirely from one type of atom.
300
What is a electron?
Has negative chareges.
300
What does the atomic number represent?
It represents the number of protons and electrons.
400
Is fireworks exploding a physical change?
No.
400
What is the periodic table?
Shows all known elements in the universe.
400
What does compound mean?
Is a molecule that contains at least two different elements.
400
How many protons,neutrons and electron does Lithium have?
Proton:3 Neutron:4 Electron:3
400
What does the atomic mass represent?
It represents Protons-Atomic mass=Neutrons.
500
Is ice melting a physical change.
Yes.
500
What are the three main categories of the periodic table?
-Metals. -Non-metals. -Metalloids.
500
Where are molecules, atoms, element and compounds located?
On the periodic table.
500
How many proton, neutron and electron does oxygen have?
Proton:8 neutron:8 electron:8
500
What is matter?
Anything that has mass and takes up space.