Answer:
Group 17 Melting point 113.7°C, 236.7°F, 386.9 K
Period 5 Boiling point 184.4°C, 363.9°F, 457.6 K
Block p Density (g cm−3) 4.933
Atomic number 53 Relative atomic mass 126.904
State at 20°C Solid Key isotopes 127I
Electron configuration [Kr] 4d105s25p5 CAS number 7553-56-2
Explanation:
Answer:
when an object smashed into early Earth. .Explanation: no explanation just the answer
3. D
4. C
(DNA contains phosphorus)
From Pearson Biology book
Answer:
Answer to 1: a black hole is a tremendous amount of matter crammed into a very small (zero) amount of space. Answer to 2: the top of your head would feel so much more gravitational pull than the tips of your toes that you would be stretched, longer and longer Answer to 3: <em><u>A black hole is a place in space where gravity pulls so much that even light can not get out.</u></em> The gravity is so strong because matter has been squeezed into a tiny space. because no light can get out, people can't see black holes Answer to 4: <u>stellar, intermediate, supermassive, and miniature.</u> Answer to 5: the asymmetry of bright and dark sections of the ring are caused by the Doppler effect as the matter is coming toward Earth (brighter) or receding (dimmer).
Explanation:
