[Answered] Which of the following is the lowest atomic mass lanthanide? A) Ce B) Lr C) Lu D) Sc E) ...

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Author Question: Which of the following is the lowest atomic mass lanthanide? A) Ce B) Lr C) Lu D) Sc E) ... (Read 20 times)

lunatika

Hero Member
Posts: 548

on: Aug 27, 2018

Which of the following is the lowest atomic mass lanthanide?

A) Ce
B) Lr
C) Lu
D) Sc
E) Th

Question 2

Control rods in a nuclear reactor are composed of boron and ________.

Fill in the blank(s) with correct word

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Marked as best answer by a Subject Expert

bulacsom

Sr. Member
Posts: 329

Reply #1 on: Aug 27, 2018

Answer to Question 1

A

Answer to Question 2

an alloy of silver, indium, and cadmium

lunatika

Member
Posts: 548

Reply 2 on: Aug 27, 2018

Excellent

dawsa925

Member
Posts: 326

Reply 3 on: Yesterday

TYSM

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