alysonmariefont
08.10.2020 •
Chemistry
The mass of an object is 1,000 g. It has a volume of 100 mL. What is the density of the object? D= mass/volume
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Ответ:
10 g/ml
Explanation:
divide mass by volume means divide 1000 by 100 and your answer will be 10
Ответ:
Alkaline Earth Metals are the 2nd Group of Metals on the Periodic Table.
Explanation:
Characteristics:
- Shiny
- Reactive
- Low melting and boiling points
- Low density
- 2 valence electrons
Alkaline Earth Metals cannot be found alone in nature since they are highly reactable (If you've ever thrown barium into a lake, it would cause a massive explosion).