Statements (169)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:Mr._Protactinium
|
| gptkbp:appearance |
silvery metallic
|
| gptkbp:category |
actinide
|
| gptkbp:cooling_system |
16.5 W/(m· K)
|
| gptkbp:discovered_by |
gptkb:Otto_Hahn
gptkb:government_agency |
| gptkbp:dissolved |
insoluble
|
| gptkbp:electronegativity |
1.1 (Pauling scale)
[ Rn] 5f² 6d¹ |
| https://www.w3.org/2000/01/rdf-schema#label |
Protactinium
|
| gptkbp:isotopes |
gptkb:Protactinium-231
gptkb:theorem gptkb:Protactinium-228 gptkb:Protactinium-229 gptkb:Protactinium-230 gptkb:Protactinium-232 gptkb:Protactinium-233 gptkb:Protactinium-234 91 Protactinium-100 Protactinium-101 Protactinium-102 Protactinium-103 Protactinium-104 Protactinium-105 Protactinium-106 Protactinium-107 Protactinium-108 Protactinium-109 Protactinium-110 Protactinium-111 Protactinium-112 Protactinium-113 Protactinium-114 Protactinium-115 Protactinium-116 Protactinium-117 Protactinium-118 Protactinium-119 Protactinium-120 Protactinium-121 Protactinium-122 Protactinium-123 Protactinium-124 Protactinium-125 Protactinium-126 Protactinium-127 Protactinium-128 Protactinium-129 Protactinium-130 Protactinium-131 Protactinium-132 Protactinium-133 Protactinium-134 Protactinium-135 Protactinium-136 Protactinium-137 Protactinium-138 Protactinium-139 Protactinium-140 Protactinium-141 Protactinium-142 Protactinium-143 Protactinium-144 Protactinium-145 Protactinium-146 Protactinium-147 Protactinium-148 Protactinium-149 Protactinium-150 Protactinium-151 Protactinium-152 Protactinium-153 Protactinium-154 Protactinium-155 Protactinium-156 Protactinium-157 Protactinium-158 Protactinium-159 Protactinium-160 Protactinium-161 Protactinium-162 Protactinium-163 Protactinium-164 Protactinium-165 Protactinium-166 Protactinium-167 Protactinium-168 Protactinium-169 Protactinium-170 Protactinium-171 Protactinium-172 Protactinium-173 Protactinium-174 Protactinium-175 Protactinium-176 Protactinium-177 Protactinium-178 Protactinium-179 Protactinium-180 Protactinium-181 Protactinium-182 Protactinium-183 Protactinium-184 Protactinium-185 Protactinium-186 Protactinium-187 Protactinium-188 Protactinium-189 Protactinium-190 Protactinium-191 Protactinium-192 Protactinium-193 Protactinium-194 Protactinium-195 Protactinium-196 Protactinium-197 Protactinium-198 Protactinium-199 Protactinium-200 Protactinium-201 Protactinium-202 Protactinium-203 Protactinium-204 Protactinium-205 Protactinium-206 Protactinium-207 Protactinium-208 Protactinium-209 Protactinium-210 Protactinium-211 Protactinium-212 Protactinium-213 Protactinium-214 Protactinium-215 Protactinium-216 Protactinium-217 Protactinium-218 Protactinium-219 Protactinium-220 Protactinium-221 Protactinium-222 Protactinium-223 Protactinium-224 Protactinium-225 Protactinium-226 Protactinium-227 Protactinium-91 Protactinium-92 Protactinium-93 Protactinium-94 Protactinium-95 Protactinium-96 Protactinium-97 Protactinium-98 Protactinium-99 |
| gptkbp:lifespan |
32,760 years (Protactinium-231)
|
| gptkbp:melting_point |
1,200 ° C
3,200 ° C |
| gptkbp:origin |
from the Greek word 'protos' meaning 'first' and 'actinium'
|
| gptkbp:population |
15.37 g/cm³
|
| gptkbp:social_structure |
orthorhombic
+5, +4, +3, +2 |
| gptkbp:symbol |
gptkb:state_highway
|
| gptkbp:type_of |
7440-13-3
|
| gptkbp:uses |
nuclear reactors
|
| gptkbp:year_created |
1913
|