This is the number of meters in 7,500 millimeters.
Anything that has mass and takes up space.
matter
Name Na₂S.
sodium sulfide
Salt water is an example of what type of mixture
homogenous
Charge of fluorine after gaining one electron.
–1
Convert 320,000 meters to kilometers.
320 km
What is the dependent variable when you are testing the speed of an object on different surfaces?
the speed
Name CuCl₂
copper (II) chloride
Granite is an example of this type of mixture
heterogeneous
What is the charge of a sulfur atom with 17 electrons?
-2
Convert 7,800 centigrams to kilograms.
0.078 kg
The amount of matter in an object.
mass
Name N₂O₄.
dinitrogen tetroxide
Isotope symbol for an atom with 12 protons and 14 neutrons.
Mg26
How many moles is 10 grams of Oxygen?
0.625 moles
Write 0.00000457 in scientific notation.
4.57 × 10⁻⁶
Temperature stays constant during this event, even when heat is added.
phase change
Name H₂SO₃
sulfurous acid
Two or more atoms chemically bonded together.
molecule
Number of atoms in 1.8 mol of silver.
1.08 × 10²⁴ atoms
Express 56,900,000 in scientific notation.
5.69 × 10⁷
Particles vibrate in fixed positions in this state of matter.
solid
Name PCl₅.
phosphorous pentachloride
Carbon isotopes differ because they have different numbers of these particles.
neutrons