Which element is in the fourth period of the periodic table? A) N B) Ni C) Cd D) ...

Author Question: Which element is in the fourth period of the periodic table? A) N B) Ni C) Cd D) ... (Read 22 times)

bb

Hero Member
Posts: 544

on: Aug 27, 2018

Which element is in the fourth period of the periodic table?

A) N
B) Ni
C) Cd
D) Si

Question 2

The n/p > 1 ratio appears in elements whose atomic number is greater than 24.

Indicate whether the statement is true or false

SamMuagrove

Sr. Member
Posts: 312

Reply #1 on: Aug 27, 2018

Answer to Question 1

B

Answer to Question 2

FALSE

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