dyannjw25 dyannjw25

25-06-2017
Chemistry

contestada

_______ was responsible for first grouping elements into triads based on similar properties.
A. Döbereiner
B. Moseley
C. Dalton
D. Mendeleev

Respuesta :

JunhaoZ JunhaoZ

25-06-2017

German scientist Döbereiner was one responsible for grouping elements into triads based on most notably atomic mass, many of which can be found in the periodic table to be in a pattern (for example Iron Cobalt Nickel, elements 26, 27, 28)

Answer Link

Trishadennis37 Trishadennis37

01-07-2017

I had the same answer A but I wanted to make sure

Answer Link

Otras preguntas

Which of the following sentence contains a compound predicate? A. While he swam, she collected shells. B. She raced along the path to beat him to the beach. C

The velocity of a wave depends only upon the...?

What physical feature formed the southern boundary of the Roman Empire?

Olivia is 4 feet 10 inches tall. She compared her height with her younger sister, Susan, and found that Susan is 15 inches shorter than she is. What is Olivia's

Prove this identity. Tan^2(0)/1 + tan^2(0) = sin^2(0). Note i placed a bracket around the zeros because i didnt want to look like it is to the power of 20. And

simplify 4/40 the fraction

how can intense vibrations damage the human ear?

can someone help me with these two questions? Choose the answer that identifies the three cases of pronouns. nominative, objective, possessive nominative, antec

When does phenolphthalein turn pink? a) in the presence of a base b) in the presence of an acid c) when it is in a neutral solution d) when it is reacting with

what is 2.75 rounded to the nearest hundredth