Characteristics
Elements
Did you Know
Parts of the Table
Potpourri (Earth/Space and Life Science?
Final Jeopardy
100
Elements on the periodic table are arranged by atomic number, which is the number of these in the nucleus
What are Protons?
100
It's the second-most abundant element in the universe & it's also listed second on the periodic table
What is Helium?
100
Shows the number of protons
Atomic Number
100
On the periodic table of elements, which ranks as a great scientific tool, horizontal rows are also called these
What are Periods?
100
What are the states of matter?
Solid Liquid Gas
100
A table in which all the known elements are arranged by properties from lowest to highest atomic number
Periodic Table
200
Bohr was one of the first to see the importance of this, which gives an element's position in the periodic table
The Atomic Number?
200
This is the 29 element on the periodic table
Copper
200
A pure substance composed of the same type of atom throughout.
Element
200
Making up group 18 on the periodic table, the 7 of these include neon & argon
What are Noble Gases?
200
These variations in the level of the oceans have the most variation at the new moon
What are Tides?
200
Each period equals _____ that orbit around the nucleus of the atom.
The energy levels (rings)
300
In the table setting seen below, 50 is the atomic number and 118.7 is this
What is Atomic Mass?
300
The first 3 halogen or "salt-forming" elements on the periodic table are fluorine, this, bromine
What is Chlorine?
300
This developer of the periodic table of elements had his beard trimmed annually & maybe for his visits with the czar
Who is Mendeleev?
300
Most of the elements on the periodic table are these, including the 6 alkali ones
What are metals?
300
During a total solar eclipse, you can glimpse this "colorful" layer of the Sun just above the photosphere
What is the Chromosphere?
300
Very hard question
Free points
400
Below are pictures of common elements in the universe. What are the smallest particles of each of element?
Atoms
400
These 2 element combined gives us H2O
Hydrogen and Oxygen
400
In every atom, the number of _______and ________ are the same.
protons and electrons
400
Are typically dull, brittle and poor conductors. Brittle materials break or crack easily. Nonmetals include your organic material and gases that are in the atmosphere.
Nonmetals
400
DNA is composed of nucleotides, which contain 4 nitrogenous bases represented by these 4 letters
What are A, C, G, and T?
400
Physical and chemical characteristics of matter used to describe or identify a substance.
Properties
500
The horizontal rows on the periodic table are periods; vertical columns of related elements are these
What are Groups or Families?
500
When 2 element are combined?
Molecule
500
Where are the Valence electrons located
Valence electrons are the outermost electrons of an atom.
500
The zigzag line represents these type of elements which make good semiconductors.
What are metalloids?
500
When the sun & moon align, their gravitational forces work together to produce big springs tides at right angles; the forces partly cancel each other, producing these smaller amplitude tides
What are neap tides?
500
why are models important in science?
To study things that may be to large or to small