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Where is it?
Name that Element
Is it Chemical?
Cloudy with a Chance of Electrons
Mystery Chem
100
element in group 5a period 2
What is Nitrogen
100
Alkaline earth metal with mass number close to 40
What is Magnesium
100
Adding food coloring to frosting is a
What is physical change
100
How many electrons are in a neutral atom of Fluorine?
What is 9
100
A student wants to have the best protection from UV rays, what should he do?
What is wear sunscreen SPF 50, hat, protective clothing, and sunglasses
200
Group and period number for Iodine
What is 7a per 5
200
Atomic Number 76
What is Osmium
200
Combining Calcium Chloride and Phenol Red create heat and feel warm to the touch
What is Chemical Change
200
How many valence electrons are in an atom of Boron?
What is 3
200
A microwave has a long wavelength, what is the frequency and energy?
What is Low for both
300
An Alkali Metal with 55 electrons in the neutral state
What is Cs Group 1a per 6
300
Element with 6 p, 6 n, 6 e-
What is Carbon
300
Grass Growing is an example of
What is Chemical Change
300
What electrons can fill the first orbital in a Bohr model?
What is 2
300
A student performs an experiment in the lab and observes bubbles and a color change, what can she conclude has happened? Why?
What is chemical reaction has occurred because bubbles and color change are indicators of chemical reaction
400
Element with symbol Rn
What is 8a per 6
400
Element whose atomic number is 4 less than Germanium
What is Nickel
400
Ice Melting is an example of ? and Why?
What is physical change change of state from s, l, g
400
Why are noble gases generally non reactive?
What is The have 8 electrons in the outer energy level with the exception of He which has 2
400
The charge on an atom with 35 protons and 36 electrons
What is -1
500
Element in the halogens that is necessary for making the compound HCl
What is Cl group 7a per 3
500
Element whose mass number is 22 and has 11 electrons in the neutral state
What is Sodium
500
A student eats pizza. As she chews, this is a ____ change and then in her stomach she digests the pizza, this is a ___ change?
What is physical for chewing, chemical for digestion
500
What happens when electrons drop from higher energy level to a lower energy level?
What is colors of light are seen
500
Write the isotope notation symbol with mass number, atomic number and charge for an atom with 14 p, 14n, 10 e-
What is Silicon