random
What's found in the nucleus of an atom?
Protons and Neutrons.
What is the science word for what happens when Earth's plates grind past each other and form a fault?
What is an Earthquake?
How many significant figures are there in 0.0004568389
7
The chemical name for the compound with the formula Na2S
What is sodium sulfide
What is the difference between a Meteor and a Meteorite?
Meteorites hit the ground, while Meteors burn in the atmosphere and turn into Meteorites.
Which scientist discovered 13 different species of finches in the Galapagos islands?
Charles Darwin
Which group on the periodic table has elements with full valence shells?
Noble Gases
What is the acceleration due to gravity?
9.8 m/s2
Explain the trend of Atomic Radii on the periodic table.
Atomic Radii increases down a group and decreases down a period.
Which star color indicates the hottest temperature?
What is Blue
How many atoms are there in Ca(NO3)2
9 atoms
What is an isotope?
atoms of the same element that have the same number of protons
What is the specific heat capacity of water in J/kg?
4180 J/kg
Name 3 factors that affect solubility.
Temperature, Polarity, Pressure, Size, Agitation
What is the science word for a group of stars that form a pattern in the sky?
What is a constellation?
What is the equation for photosynthesis?
6CO2 + 6H20 -------> C6H12O6 + 6O2
light
The large vessels that carry blood away from the heart are called...
Arteries
What creates a sound wave?
object vibrations
Provide the full electron configuration and the orbital diagram for the sulfur ion (S2-).
S2- = 18 electrons
1s2 2s2 2p6 3s2 3p6
What is the speed of light?
299,792,458 metres per second
What does quantum mechanics mean?
Describes the behavior of atoms and molecules.
What are the 4 stages of mitosis in order?
Prophase, Metaphase, Anaphase, Telophase.
Does sound travel faster through a solid or a gas, and why?
Sound travels faster through solids, as the molecules in the solid are closely packed together. Due to this, they are able to transmit vibrations (energy) faster.
What is Avagadro's number?
6.022 x 10-23
What is the heaviest element a supergiant can synthesize before a supernova
What is Iron (Fe)