Matter Terms
Isotopes
Ions
Separation of a Mixture
Nomenclature
100
2 or more atoms (could be the same or could be different) bonded together.
What is a molecule?
100
Two atoms with the same number of protons but different numbers of neutrons.
What are isotopes?
100
Two atoms with the same number of protons, but different numbers of electrons.
What is an ion?
100
This property can be used to separate iron from a mixture.
What is magnetism?
100
Write the formula for sodium hydroxide.
NaOH.
200
A substance where all "parts" are NOT identical.
What is a mixture?
200
6 protons, 6 electrons, and 8 neutrons.
What are the subatomic particles in a neutral atom of Carbon-14?
200
Ions that have a positive charge vs. ions that have a negative charge.
What are cations vs. anions?
200
This technique can separate a solid from a liquid.
What is filtration?
200
How many nitrogen atoms are in one molecule of ammonium oxide.
2
300
A type of substance made up of a single type of atom, identifiable by its proton number.
What is an element?
300
This subatomic particle is irrelevant when considering isotopes of a particular element.
What are electrons?
300
This ion has 12 protons, 13 neutrons, and 10 electrons.
What are the subatomic particles in a Magnesium-25 ion?
300
During the separation of a mixture lab, you receive the following masses:
Mixture: 2.50 g; Iron: 1.15 g
Filter paper: 1.25 g; Filter paper + sand: 1.77 g
Flask: 66.24 g; Flask + salt: 66.99 g
What is the mass of sand?
0.52 g
300
Write the name for CuS.
Copper (II) sulfide
400
Which of the following is a pure substance?
A
400
A neutral isotope of chromium has a mass number of 51. How many neutrons does it have?
27 neutrons.
400
Atoms with this number of valence electrons are in Group 13. When they form ions, they have a charge of _____.
What group are atoms with 3 valence electrons found in? What charge do they have?
400
If the original mixture had a total mass of 1.33 grams and you isolate 0.51 grams of salt, what is the percent of the mixture that is salt?
38.34%
400
Write the name for Fe3(PO4)2
Iron (II) phosphate
500
DRAW: a mixture of a diatomic molecule and a triatomic compound.
:D
500
For 2 atoms to be considered isotopes of each other, they MUST have the same number of this subatomic particle.
What are protons?
500
An ion of At-210 would have _____ protons, _____ neutrons, and _____ electrons.
85, 125, 86.
500
This might happen if your filter paper did not dry for long enough.
Why is the percentage of sand too high?
500
How many oxygen atoms are in one molecule of beryllium acetate?
4