I need your help)
1. The number of each kind of atom of the molecules involved in a reaction will NOT change as reactants form into products
a. True
b. False
2. Which of the following properties do Alkali Metals and Alkali Earth Metals have in common?
a. high melting points
b. low density
c. low melting points
d. malleable (can easily be bent)
3.The Law of Conservation of Mass states that (in a closed system) matter is neither created nor destroyed.
a. True
b. False
4.On the periodic table, elements with similar properties are arranged in
a. In Periods
b. In Groups
c. By Color
d. By Symbol
5.On the periodic table, elements with similar properties are arranged in
In Periods
In Groups
By Color
By Symbol
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