Vocabulary
Elements
Inside an Atom
Periodic Table 1
Periodic Table 2
100
The one or two letters representing an element are known as this
What is the element's symbol
100
This element's symbol is He..what is it?
What is helium
100
What is the center or core of an atom called?
What is the nucleus
100
What do you call the elements that touch the zigzag line between the metals and nonmetals?
What are metalloids
100
Elements on the Periodic Table go from left to right and each increase by their ____ number
What is atomic
200
What do you call the bottom number that is located under the element's name on the Periodic Table?
What is the atomic mass
200
This element has an atomic number of 1 and doesn't match the properties of any other group
What is hydrogen
200
What do you call the negatively charged particles that orbit the outside of the nucleus?
What are electrons
200
What is the name of the element with the symbol Cl that is found in bleach?
What is chlorine
300
These type of electrons are located on the outer ring of an atom and are farthest from the nucleus
What is valence
300
Many cans like Pepsi or Sprite are made of this element, which has an atomic number of 13
What is aluminum
300
The number of these two particles is always the same in every atom (and the same as the atomic number)
What are the electrons and protons
300
How many element groups are on the Periodic Table?
What is 18
300
NaCl is the chemical formula for this common substance that is used to season food. What is it?
What is salt
400
What is the part of an atom that has a negative charge?
What is an electron
400
Most of the elements on the Periodic Table are these
What are metals
400
These particles are found in the nucleus but carry no charge..they are neutral
What are neutrons
400
What is the name of the horizontal rows going across the Periodic Table?
What are rows
400
The symbol O is the abbreviation for which element?
What is oxygen
500
These type of metals are located in Groups 3-12 on the Periodic Table and have a wide range of properties
What are transition metals
500
What is the symbol for Copper?
What is Cu
500
Atoms with a different number "of these" in the nucleus are called isotopes
What are neutrons
500
Noble gases, which are located in Group 18, have how many valence electrons?
What is 8
500
What is the symbol for Magnesium?
What is Mg
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