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Periodic Table
Structure of an Atom
Element Identification
Element Identification 2
Challenge Questions
100
What number tells you the number of protons and electrons?
Atomic Number
100

What part of the periodic table entry tells you the number of protons the element has?

Atomic Number

100
What is the name of element number 1?
Hydrogen
100
What element has the symbol Xe?
Xenon
100
How many electrons fit on the first energy level?
2
200

What type of element (group) does not conduct electricity or heat well, and are often a gas or are brittle?

Nonmetals

200
What particle has a positive charge?
Proton
200

What element has an atomic mass of around 238.

U, Uranium

200
What element has 17 electrons?
Chlorine
200
How many electrons fit on the third energy level?
18
300

What type of elements (group) have some properties of metals and some of nonmetals?

Metalloids

300
What particle has no charge?
Neutron
300
What is the name of the element with the elemental symbol Zr?
Zirconium
300
What element's symbol is K?
Potassium
300

What is the name of the last column of elements all the way to the right on the Periodic Table?

Noble Gasses

400

What type of element conducts electricity well and can be hammered into sheets or wires?

metals

400
What particle has a negative charge?
Electron
400
Which element has 42 as its atomic number?
Mo, Molybdenum
400

What element is a metal with 22 Protons?

Titanium

400

What is the number of electrons in the third electron shell for IRON?

16

500

Challenge Question: What is the special name of the element group that sits separately from the main Periodic Table that includes elements 58-71?

Rare Earth Metals

500
What subatomic particle is not inside the nucleus?
Electrons
500

What element has the atomic symbol W?

Tungsten

500

What is the number of protons in an atom of Argon?

18

500

What is the name of the Russian Scientist who first developed the Periodic Table?

Dmitri Mendeleev