1. Define a Family.
2. What is a period?
3. What is the symbol for the following element...
Chemistry, 17.03.2020 02:25 daskatingpanda
1. Define a Family.
2. What is a period?
3. What is the symbol for the following elements?
a. Magnesium
b. Potassium
c. Iron
d. Copper
e. Aluminum
4. What are the names of the following elements?
a. C
b. Cl
c. Au
d. Sr
5. What period are the following element in?
a. He
b. Ge
c. Rb
d. I
6. What group are the following elements?
a. Sulfur
b. Ca
c. Iodine
d. Fe
7. Give me an atom with the following characteristics.
a. Halogen
b. Alkali metal
c. Nobel gas
d. Transition metal
e. Nonmetal
Answers: 3
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Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
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Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
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