Biniyamdetamo90 Biniyamdetamo90

06-07-2021
Chemistry

contestada

Which of the following two periods contain the same number of element?
A. 2 & 3
B.3 & 4
c. 4 & 6
D. 2 & 4

Respuesta :

keighleydudley keighleydudley

06-07-2021

Answer:

4 and 6

Explanation:

Period 4 has 18 elements and so does period 6.

Answer Link

Otras preguntas

Dora is a very bright student who is in the process of completing her undergraduate degree. she has already been admitted to veterinary school and is very excit

Amy uses 20n of force to push a lawn mower 10 meters. how much work does she do?

Why was the fall of constantinople a turning point?

I’m what year was the Chinese exclusion act passed

what s the equation for y= (0,2) slope= -3/7

Which is an example of a pure substance? A. air B. salad C. hydrogen D. sugar water

Describe Walter raushenuschs ideas about social gospel and the progressive movement

Which statement is a summary of the Pro Walk’s benefits? A) The Pro Walk is one of the best products on the market. B) The Pro Walk inserts are less expensive

I need help sorry for bothering everyone. Two supporting reasons are missing from the proof. Complete the proof by dragging and dropping the appropriate reasons

Describe how earths orbit around the sun determines the seasons of earth