Atomic Structure
Name that Element
Periodic Table
Properties
Mystery Category
100
The atom can be divided into two parts, the __________ and the _____________.
Nucleus and Electron Cloud 
100

I am in the second period and belong to the same family (group) as silicon.


carbon (C)
100
horizontal rows that determine the number of energy levels (shells) are called 
periods
100
Luster (shiny), Good conductor of heat/electricity, Malleable, Ductile, very dense, located on the left side of the periodic table 


Metals
100
what date is the Science STAAR test? 
May 16, 2018
200
The 3 subatomic particles that makeup and atom
protons, electrons, and neutrons
200
the only nonmetal element that is positioned by the metals. located at group 1 and period 1
hydrogen (H)
200
vertical columns in which elements have similar chemical and physical properties as well as the same number of valence electrons 
groups
200
Dull, Brittle, low density, not good conductors of electricity, low melting point, located on the right side of the periodic table
nonmetals
200
a car going 60 mph north...is this speed, velocity, or acceleration?
velocity

(speed with direction)

300
The two subatomic particles that makeup the dense nucleus.
neutrons and protons
300

I am the only element in the third period that has eight electrons in my outermost energy level.

Argon
300
can be used to determine the number of valence electrons an element has 
group (family)
300
can be dull or shiny, semiconductors, has properties of metals and nonmetals, located along the stair steps 
metalloids
300
the lines on a topographic map are called
contour lines 
400
What subatomic particle is used to identify an element?
Protons
400

I am in the fifth period and have properties similar to my favorite cousin gold.

Silver
400
group numbers __ and __ are the MOST reactive 
group 1 and group 17
400
describes matter using characteristics that can be observed without changing it to a new substance example: luster, dull, brittle, malleable 
physical properties
400
What type of boundary will form mountains? 

(convergent, divergent, or transform boundary)

convergent boundaries
500
How many neutrons does an atom of sodium (Na) have? 
12 neutrons 


23 (atomic mass)-11(atomic number)=12 neutrons

500

I have seven valence electrons and have two more protons than phosphorus.

Chlorine (Cl)
500
the most stable group of elements are 
group 18
500
properties measured or observed only when matter undergoes a change to become an entirely different substance
chemical changes 
500
How many days does it take to go from a New Moon to a First Quarter (hint: each moon phase is 3.5 days long)
1 week or 7 days