mrsdeppofficial mrsdeppofficial

15-09-2021
Chemistry

contestada

How did Mendeleev know that there must be undiscovered elements and how did
he take this into account when he designed his periodic table?

Respuesta :

borjateriann borjateriann

15-09-2021

Answer:

Mendeleev left gaps in his table to place elements not known at the time. By looking at the chemical properties and physical properties of the elements next to a gap, he could also predict the properties of these undiscovered elements.

Answer Link

Otras preguntas

Which of the following devices can measure only atmospheric pressure?

If my immune system does not work because of the medicine that i take is that there is a possibility of having the chicken box one more time?

You can put safety locks and latches on cabinets and drawers.

how are senators and representatives assigned to committees?

Which of the following were reasons for the segregation of professional baseball?Check all of the boxes that apply. Some white owners feared that white fans wou

Gomez found the mass of 3 rocks for a science project the first rock had a mass of 19.28 grams the second rock has a mass of 25.3 grams in the third Rock had

1. part A how is Conversational Ballgames excerpt of expository essay organized A.cause and effect B.compare and contrast C.problem and solution D.chronologi

what group was involved in the fur trade before 1812

Jimmy's 9th-grade class is made up of 223 students. He wants to know the average height for the students in his class, and he wants to use the census method to

What kinds of goods did the Ming treasure ships bring back to China?