Finessethenemy
20.07.2019 •
Biology
Brainlies 1. based on dalton's atomic theory, which of the following is true about all atoms of the same element? they have different masses. they have the same properties. they can be divided into molecules. they are composed of visible matter. 2. read the list of elements given below. f, cl, br, i which of the following about the elements is true? all of them are highly reactive metals. all of them are highly reactive nonmetals. f and cl are reactive nonmetals and br and i are highly reactive metals. f and cl are reactive metals and br and i are highly reactive nonmetals.
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Ответ:
For the second question, it would be the second choice as well, "All of them are high reactive nonmetals" This is because F, Cl, Br, I are all halogens in group 17 of the periodic table which are all nonmetal elements, highly reactive, and common on Earth.
Let me know if you need further info. :))
- Dotz
Ответ:
The three important constants are: The person who will collect the data (Pinky), the environment in which the data will be collected (Pinky's backyard) and the element who will provide the data (the crickets).
Explanation:
Constants are very important elements in carrying out controlled experiments. This is because they allow all measurements and data collections to be carried out in constant systems that do not change and that will provide unity and control to the experiment.
In short, the constants are the elements of the experiment that will not be modified while the experiment takes place. These elements are: the person who is conducting the experiment and who will collect the data (Pinky), the environment in which the data will be collected (Pinky's yard) and the element who will provide the data (the crickets).