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Valence Electrons
Electron Configuration
Name the Element
Atomic Theory
Chemical Formulas and Equations
100
Has one valence electron. Is the only nonmetal in group 1 on the periodic table.
What is Hydrogen?
100
The electron configuration for oxygen.
What is 1s^2 2s^2 2p^4?
100
The element that we breathe every day.
What is Oxygen?
100
This scientist developed the basic structure of the atom.
Who is Dalton?
100
Chemical formula for sodium and chloride.
What is NaCl?
200
Has 4 valence electrons. Is located in group 16, period 3.
What is Sulfur?
200
The electron configuration for gallium.
What is 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^1?
200
This element is the third letter in the alphabet. The chemical symbol only has one letter.
What is Carbon?
200
This scientist discovered that atoms are mostly made up of empty space.
Who is Rutherford?
200
Chemical formula and the name of the compound for the elements sulfur and calcium.
What is CaS and calcium sulfide?
300
This is another ion of iron that has another oxidation number of 3.
What is Iron (III)?
300
The shorthand configuration for Platinum.
What is [Xe] 4f^14 5d^10?
300
This element starts with the name of the scientist that developed the equation E=mc^2
What is Einsteinium?
300
This scientist discovered that atoms are electrically charged.
Who is Thompson?
300
1. Finish the equation Ca+RaP --->. 2. Write the type of chemical reaction.
What is CaP+Ra and single displacement?
400
This element is one of the transition metals and it is located in group 11. It has 1 valence electron. It is the most conductive metal besides silver.
What is Copper?
400
The shorthand and full electron configuration for Yttrium. Write shorthand first then the full electron configuration.
What is [Kr] 4d^3 and 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^3?
400
Donald Trump wants to make this element great again.
What is Americium?
400
Dalton came up with the theory that all atoms of the same element are exactly alike in this year.
What is 1808?
400
Balance the chemical equation and find the products for Ag(NO3)+Zn(C2H3O2)4---->
What is 8Ag(NO3)+2Zn(C2H3O2)4---> 8Ag(C2H3O2)+2Zn(NO3)4?
500
This is a polyatomic ion that is made out of oxygen and hydrogen. It has a total of 23 valence electrons and its oxidation number of -1.
What is Acetate?
500
The shorthand and full electron configuration for the element for Gold.
What is [Xe] 4f^14 5d^10 6s^1 and 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 5p^6 4f^14 5d^10 6s^1?
500
The Golden Element (Hint: Not Gold)
What is Californium?
500
This scientist's model had a nucleus in the center filled with protons with electrons orbiting the nucleus. Name the year and the scientist.
Who is Rutherford and what is 1909?
500
Balance the chemical equation Na2(HPO4) ----> Na4P2O7 + H2O and find the formula mass for the reaction. Round to the nearest whole number.
What is 2Na2(HPO4) ----> Na4P2O7 + H2O and 284?