Also, it is similiar but not as reactive as the group IA metals. Its alloys are used in the aerospace industry as in parts for the space shuttles
2006-10-14 09:46:08 · 5 answers · asked by Jen 1 in Science & Mathematics ➔ Chemistry
You are looking for beryllium.
Beryllium-copper alloys are used in the defense and aerospace industries as light-weight structural materials in high-speed aircraft, missiles, space vehicles and communication satellites.
2006-10-14 10:34:45 · answer #1 · answered by Dr. J. 6 · 0⤊ 0⤋
Helium replaced into got here across in 1868 by technique of J. Norman Lockyear in the spectrum of a photo voltaic eclipse Atomic style - 2 Density g/mL 0 .0001787 Atomic weight u 4 .0026 Melting element ok 0 .95 Bonding radius a nil .ninety 3 Boiling element ok 4 .215 Atomic radius a nil .40 9 Crystal are hexagonal.
2016-12-04 20:08:34 · answer #2 · answered by domingo 4 · 0⤊ 0⤋
Lithium (Li) is the first member of IA Group, so it has the smallest atomic radius and the highest first ionization energy of its group.
2006-10-14 11:16:03 · answer #3 · answered by Dimos F 4 · 0⤊ 0⤋
Beryllium
2006-10-14 09:53:57 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Hydrogen
2006-10-14 09:47:39 · answer #5 · answered by Webballs 6 · 0⤊ 0⤋