Chemistry

Chemistry, 21.08.2019 09:30, littlebrain2672

Name four elements that have properties similar to hydrogen

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Chemistry, 10.07.2019 13:00, gevaughn600

What observations led to the periodic law? what observations led to the periodic law? observation that certain elements possess such property as radioactivity observation that the all halogen elements have similar properties observation that the all metals have similar properties observation that the properties of elements recur and certain elements have similar properties?

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Chemistry, 29.07.2019 03:00, kksavage36

Water is a compound that is made out of two hydrogen atoms and one oxygen atom. which statement about water is true? a. water is usually a gas like the elements oxygen and hydrogen. b. water has a set of properties that are different from oxygen and hydrogen. c. water has properties that are a blend of the properties of oxygen and hydrogen. d. water is flammable like the elements oxygen and hydrogen.

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Chemistry, 29.07.2019 20:20, amp1955

Urgent question) - name 5 elements which have similar properties as hydrogen! list them by name! !

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Chemistry, 29.08.2019 11:20, mzyjohnson47

If you don't know all the answers just answer the ones you do know and number them so i know which one you are answering 1.which of the following characteristics was not included in dmitri mendeleev's periodic table a.heavier elements placed in rows closer to the bottom of the table b.elements arranged by increasing atomic mass c. elements placed in columns based on chemical properties or d. distribution of elements determined by electron configuration 2. according to the periodic law what is the relationship between elements and periods a.element properties repeat from period to period b.elements in a period have the same physical properties c. elements have the same physical and chemical properties in any period or d. elements in a period have the same chemical properties 3. which of these sets of elements has similar properties consult the periodic table a.strontium, magnesium, calcium, beryllium b. oxygen, nitrogen, carbon c. hydrogen, helium, neon or d. chromium, magnesium, iron, cobalt

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