Answer:
The flame will burn out
Explanation:
The oxygen will be kept out of the jar, without oxygen the flame cannot last long. The flame will eventually burn out. Nitrogen gas has no role to play in the burning. Nitrogen slows down the burning rate.
Answer:
21H deuterium (D), 31H is tritium (T), 11H is hydrogen
Explanation:
11H: it has the greatest abundance, it has only one proton (it does not have neutrons).
21H (D): it has a proton and a neutron in its nucleus.
31H (T): it has a proton and two neutrons in its nucleus.
Remember that isotopes have the same atomic number, but a different mass number (elements in the number of neutrons differed).
Answer:
Determining what data to collect.
Explanation:
Answer:
Water molecules pull the sodium and chloride ions apart
Explanation:
<span>The Iridium satellite
constellation is a satellite providing voice and data coverage to satellite
phones, pagers and integrated transceivers over the Earth’s entire surface. It was
discovered by Bary Bertiger, Rey Leopold and Ken Peterson in 1987 and then
developed by Motorola from 1993 to 1998.</span>
