Periodic Table
Periodic Trends
Element Identification
Element Identification 2
Counting Atoms
100
What number tells you the number of protons and electrons?
Atomic Number
100

What is the 'brain' of the atom?

Nucleus

100
What is the name of element number 1?
Hydrogen
100
What element has the symbol Xe?
Xenon
100

How many Pb (Lead) atoms are present? Pb(NO3)2

1

200

How do you figure out the number of neutrons?

Round the atomic mass then subtract the atomic number from the atomic mass

200
What particle has a positive charge?
Proton
200
What element has an atomic mass of 238.
U, Uranium
200
What element has 17 electrons?
Chlorine
200

How many Magnesium atoms are present? Mg3(PO4)2

3

300

What is the name for the element symbol Hg

Mercury 

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

___ N2 + ___ H2 = ___ NH3

_1__ N2 + __3_ H2 = __2_ NH3

400

What is the Atomic Mass and symbol for Tungsten 

183.85 and W

400
What particle has a negative charge?
Electron
400
Which element has 42 as its atomic number?
Mo, Molybdenum
400
What element is a gas with 22 neutrons?
Argon
400

How many atoms are present in this compound? K2CrO4

7
500

A nonmetal that is a mineral found in your bones. Along with calcium, this is needed to build strong healthy bones, as well as, keeping other parts of your body healthy. 

Hint: This element has 16 Neutrons 

Phosphorus 

 

500

What is the difference between a coefficient and a subscript 

 the coefficient goes in front of the number and can be changes 

the subscript goes behind the number and can not be changed

500
What element has the elemental symbol Yb?
Ytterbium
500

What element is named after a state and is an Actinide (Belongs to the Actinide Series)

Californium

500

Balance this equation:

___ Al(OH)3 + ___ HBr = ___ AlBr3 + ___ H2O

__1_ Al(OH)3 + __3_ HBr = __1_ AlBr3 + _3__ H2O

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