Atoms
Periodic Table
Metals
Nonmetals/Metalloids
Lab and Stars
100
Protons are located in the ______ of an atom and have a _______ charge.
What is nucleus and positive.
100
The modern periodic table is organized in _____ and ______.
What is groups and periods or families.
100
The four physical properties used to classify metals are known as....
What is hardness, shininess, malleability and ductility.
100
Nonmetals are located to the ________ of the zigzag line in ther periodic table.
What is the right.
100
The state of matter where atoms are stipped of their electrons and packed close together?
What is plasma.
200
Electrons are located _______ the nucleus and have a ________ charge.
What is ouside and negative.
200
The scientist most noted for discovering the periodic table.
Who is Mendeleev.
200
Bronze is a common______which is combination of _____ and _______.
What is an alloy. And what is copper and tin.
200
The three most common diatomic molecules are...
What are oxygen, nitrogen and hydrogen.
200
The process is which exsisting nuclei combine to make new nuclei.
What is fusion.
300
Atoms from a chemical bond by sharing...
What is valence electrons.
300
The period of the periodic table that all atoms have 2 electrons.
What is two.
300
Groups 3 though 12 of the periodic table are known as...
What is transition metals.
300
Flourine is an example of a....
What is a halogen.
300
The two most common elements found in the sun.
What are hydrogen and helium.
400
The number of valence electrons for and element can be illustrated by drawing an...
What is electron dot diagram.
400
The number at the top of each elements "box" on the periodic table is known as it's _______ which is equal to it's _______.
What is atom number and protons.
400
Name two common alkaline earth metals.
What are magnesium and calcium.
400
At room temperature most nonmetals are....
What is a gas.
400
Define hydrophilic.
What is prefers or attracks water.
500
To calculate atomic mass you need to add the _______ and _______ of an atom.
What is the protons and neutrons.
500
To determine an atoms atom mass you must add its ______ and it's ______.
What is protons and neutrons.
500
Separated at the bottom of the periodic table there are two rows of elements called...
What are lanthanides and actinides.
500
The elements in Group 18 of the periodic table are known as...
What is noble gases.
500
Define hydrophobic.
What is prefers oils and fats.
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