animallovermab animallovermab

03-05-2021
Mathematics

contestada

In what periods are the lanthanides and actinides? Where are they
placed in the periodic table? Why?

Respuesta :

mel3351 mel3351

03-05-2021

Lanthanides are in period 6 and actinides are in period 7. They are at the down part of the page so that the periodic table can fit on the page.

Answer Link

marium0609 marium0609

23-07-2022

Answer: They are palced in 6th and 7th period below the periodic table due to their properties and to keep the balanced shape of periodic table.

Answer Link

Otras preguntas

Elements that have the same number of protons but a different number of neutrons in the nucleus are called A periods. B metalloids. C groups. D isotopes.

please help me with this math project (photo linked). (7th grade unit 3) check my other questions plsss (last one)

Write the equation 4x + 8y = -24 in slope-intercept form. Then graph the equation.

You guessed 141 envelopes, but there were actually 150 envelopes find the percent error (my other one didn’t make any sense sorry)

i need help 50 pts plz asap

Summarize the argument being made in this document. What is the most compelling evidence used by the author to support it? (WILL GIVE BRAINLIEST!!!)

Which of the following best states the terms of the Adams-Onís Treaty? The United States gave Spain $5 million; Spain ceded its claims to Florida and Oregon. Th

please help me with 1,2,3,4

what is the feet and in47 in = ? ft ? in

what is the missing length?