The answer to this question would be: BaCl 2
Barium is an alkali metal with 56 atomic number. Barium located in the group 2 of the periodic table because it has 2 valence electrons. Chlorine is a nonmetal that has 1 valence electron. When react, it would need 2 chlorine for each barium as the valence electron of barium is twice the chlorine.
The third reason helped Rutherford to discover the nucleus.
Answer:
An alloy is a mixture of chemical elements, which form an impure substance that retains the characteristics of a metal.
Explanation:
Have a nice day. Auf Wiedersehen.
Answer: the molecular altatude of the supercalifragilistic gene should expand by 100%,
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Explanation:
Answer:
friction
Explanation:
the resistance that one surface or object encounters when moving over another.
