现有五种短周期元素X、Y、Z、Q、W，原子序数依次增大，在周期表中X原子半径最小；X和W同主族；Y元素原子核外电子总数是其次外层电子数的3倍；Q元素是地壳中含量最高的元素。下列说法不正确的是

A．原子半径：Y＜Q＜W

B．ZX_3­可使紫色石蕊溶液变蓝

C．X、Z、Q三种元素可组成离子化合物或共价化合物

D．X₂Q₂、Y₂X₆两种分子中含有的电子数、化学键种类都相同

Paulie Theatre
Name of the show：Dance of the Soul
Date：19:30，March 2
Number：16，Row 9，1st F
Price：80
Children below 1.2M are not allowed to enter the theatre．Children above 1.2M should enter with tickets only．
Please check the date and seat number when you buy your ticket．Onee the ticket has been sold out，there is no refund(退票)．
No smoking in the theatre．Dangerous things are not allowed in the theatre．Sometimes a security check is necessary．
The use of cameras．videos and tape recorders are not allowed in the theatre．
Please turn off your mobile phones or set them to vibration mode．
Please check your seat number and be seated before the performance begins．If you arrive after the show begins，please wait outside the performance hall，enter quietly into the hall during the interval and take a free seat．

What is prohibited in the theatre
The use of mobile phones，videos and______are forbidden in the theatre．