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nordsb [41]
3 years ago
6

There are eight elements in the second row (lithium to neon) of the periodic table.

Chemistry
1 answer:
erma4kov [3.2K]3 years ago
6 0

Answer:

lithium, beryllium, boron, carbon, oxygen, fluorine and neon

Explanation:

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Which one of the following pairs of substances illustrate the Law of Multiple Proportions? O A. 03, O2 OB.D20, H20 (D = deuteriu
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Answer:

The correct answer is: PCl₃ and PCl₅

Explanation:

Law of multiple proportions, also known as the Dalton's Law, states that the when the two different chemical elements combine in order to form two or more than two chemical compounds, then the ratio of mass of the chemical element that combines with the fixed mass of other chemical element is the ratio of small whole numbers.

Example: PCl₃ and PCl₅

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3 years ago
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Lead can cause

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Explanation:

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4 0
4 years ago
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What is the mass of 2.5 mol of ca, which has a molar mass of g/mol
swat32
Atomic mass Ca = 40 a.m.u

1 mole Ca ----------- 40 g
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hope this helps!
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3 years ago
How many grams of CaCl 2 are in .48 moles ?
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Answer:

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