Puzzle There are seven elements hidden in the word puzzle. Help me to find them.A B C D N E F G MT H A L I U M H AS I J K T L M N GI H Y D R O G E NL E O P O X Q R EI L S T G Y U V SC I W X E G Y Z IO U A B N E C D UN M E F G N H I M

HINTS:1. The most abundant element in the universe.2. The most abundant element in the earth crust.3. The second abundant element in the earth crust.4. One of the least abundant rare earth elements.5. The most abundant element in the earth’s mantle.6. The most abundant element in the atmosphere.7. The second abundant element in the solar system.