Generally, the first ionisation energy increases along a period. But there are some exceptions. One which is NOT an exception is ………………… Generally the first ionisation energy increases along a period. But there are some exceptions. One which is NOT an exception is ..................... November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related