chemistry
the number of electrons in a hydrogen atom.
what is 1?
the symbol for lead.
what is PB?
this dog is known as "the lifeguard of the dogs".
what is the Newfoundland?
sunlight takes about ____ to get to earth.
what is 8 minutes?
the process powering the sun.
what is nuclear fusion?
three well-known substances made from carbon.
what are hair, diamond, and charcoal?
element 47.
what is silver?
dog's sense of smell is at least ____ times better than ours.
what is 40?
Pluto is in the ___.
what is the Kuiper belt?
the sun takes up ___ % of the solar system.
what is 99.86?
what will happen when you dump lithium into water.
the lithium will burn.
the group with the symbols: be, mg, ca, sr, ba, ra.
what are the alkali earth metals?
three dogs survived this disaster.
what was the sinking of the titanic?
the number of moons near Jupiter
what is 79?
the length of one year on neptune.
what is 165 earth-years?
the first 10 elements of the periodic table.
what is hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon?
the electrons in sulfur.
what is 16?
the first dog burial was _ years ago.
what is 14,000?
the 4 largest moons of Jupiter.
what are the Galilean moons?
the speed at which the sun is traveling.
what is 220 km per second?
the atomic weight of hydrogen.
what is 1.00794?
the atomic weight of thallium.
what is 204.3833?
the oldest dog remains are___ years old.
what is 14,700?
the names of the four huge moons of Jupiter.
what are Io, Europa, Ganymede, and Callisto?
the radius of the moon.
what is 1079.4 mi?